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121002212300031 = 3237578536280919
BaseRepresentation
bin11011100000110100000101…
…111000011001010011111111
3120212102200212020000221112200
4123200310011320121103333
5111330000012322100111
61105203352100402543
734326056423161416
oct3340640570312377
9525380766027480
10121002212300031
113561182835a937
12116a30580a6453
1352695c8b4258a
1421c477723647d
15dec82a218256
hex6e0d05e194ff

121002212300031 has 24 divisors (see below), whose sum is σ = 179507914765920. Its totient is φ = 78486552317376.

The previous prime is 121002212299937. The next prime is 121002212300107. The reversal of 121002212300031 is 130003212200121.

121002212300031 is a `hidden beast` number, since 1 + 210 + 0 + 221 + 230 + 0 + 0 + 3 + 1 = 666.

It is not a de Polignac number, because 121002212300031 - 238 = 120727334393087 is a prime.

It is a super-2 number, since 2×1210022123000312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121002212299977 and 121002212300013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002212350031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16124590 + ... + 22405508.

It is an arithmetic number, because the mean of its divisors is an integer number (7479496448580).

Almost surely, 2121002212300031 is an apocalyptic number.

121002212300031 is a deficient number, since it is larger than the sum of its proper divisors (58505702465889).

121002212300031 is a wasteful number, since it uses less digits than its factorization.

121002212300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338815 (or 6338812 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121002212300031 its reverse (130003212200121), we get a palindrome (251005424500152).

The spelling of 121002212300031 in words is "one hundred twenty-one trillion, two billion, two hundred twelve million, three hundred thousand, thirty-one".

Divisors: 1 3 9 37 111 333 57853 173559 520677 2140561 6280919 6421683 18842757 19265049 56528271 232394003 697182009 2091546027 363370006907 1090110020721 3270330062163 13444690255559 40334070766677 121002212300031