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121101002012 = 22193941940423
BaseRepresentation
bin111000011001000101…
…1101010010100011100
3102120120201220022022202
41300302023222110130
53441003324031022
6131344422431032
711514665350544
oct1606213522434
9376521808282
10121101002012
11473a43a4241
121b578592478
13b55c329153
145c0b666324
15323b988592
hex1c322ea51c

121101002012 has 24 divisors (see below), whose sum is σ = 223091971200. Its totient is φ = 57360758256.

The previous prime is 121101001997. The next prime is 121101002017. The reversal of 121101002012 is 210200101121.

It is a super-3 number, since 3×1211010020123 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121101001984 and 121101002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101002017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2975633 + ... + 3016055.

It is an arithmetic number, because the mean of its divisors is an integer number (9295498800).

Almost surely, 2121101002012 is an apocalyptic number.

It is an amenable number.

121101002012 is a deficient number, since it is larger than the sum of its proper divisors (101990969188).

121101002012 is a wasteful number, since it uses less digits than its factorization.

121101002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79865 (or 79863 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121101002012 its reverse (210200101121), we get a palindrome (331301103133).

The spelling of 121101002012 in words is "one hundred twenty-one billion, one hundred one million, two thousand, twelve".

Divisors: 1 2 4 19 38 76 39419 40423 78838 80846 157676 161692 748961 768037 1497922 1536074 2995844 3072148 1593434237 3186868474 6373736948 30275250503 60550501006 121101002012