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121310012055324 = 223191295341076311
BaseRepresentation
bin11011100101010010110000…
…001011010001111100011100
3120220112010100022120121002110
4123211102300023101330130
5111400020401041232244
61110001014501354020
734360234121010321
oct3345226013217434
9526463308517073
10121310012055324
1135720318294794
1211732839708910
13528c63c8727b1
1421d56161d8b48
15e0584251a9b9
hex6e54b02d1f1c

121310012055324 has 48 divisors (see below), whose sum is σ = 297977425562880. Its totient is φ = 38305466432640.

The previous prime is 121310012055277. The next prime is 121310012055329. The reversal of 121310012055324 is 423550210013121.

It is a happy number.

It is a super-2 number, since 2×1213100120553242 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121310012055291 and 121310012055300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121310012055329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17584872 + ... + 23491439.

It is an arithmetic number, because the mean of its divisors is an integer number (6207863032560).

Almost surely, 2121310012055324 is an apocalyptic number.

It is an amenable number.

121310012055324 is an abundant number, since it is smaller than the sum of its proper divisors (176667413507556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121310012055324 is a wasteful number, since it uses less digits than its factorization.

121310012055324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41089290 (or 41089288 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 121310012055324 its reverse (423550210013121), we get a palindrome (544860222068445).

The spelling of 121310012055324 in words is "one hundred twenty-one trillion, three hundred ten billion, twelve million, fifty-five thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 12953 25906 38859 51812 77718 155436 246107 492214 738321 984428 1476642 2953284 41076311 82152622 123228933 164305244 246457866 492915732 780449909 1560899818 2341349727 3121799636 4682699454 9365398908 532061456383 1064122912766 1596184369149 2128245825532 3192368738298 6384737476596 10109167671277 20218335342554 30327503013831 40436670685108 60655006027662 121310012055324