120100021012 has 24 divisors (see below), whose sum is σ = 223979325696. Its totient is φ = 56217029088.

The previous prime is 120100020979. The next prime is 120100021031. The reversal of 120100021012 is 210120001021.

It is a self number, because there is not a number n which added to its sum of digits gives 120100021012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13883283 + ... + 13891930.

It is an arithmetic number, because the mean of its divisors is an integer number (9332471904).

Almost surely, 2^120100021012 is an apocalyptic number.

It is an amenable number.

120100021012 is a deficient number, since it is larger than the sum of its proper divisors (103879304684).

120100021012 is a wasteful number, since it uses less digits than its factorization.

120100021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27775287 (or 27775285 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120100021012 its reverse (210120001021), we get a palindrome (330220022033).

The spelling of 120100021012 in words is "one hundred twenty billion, one hundred million, twenty-one thousand, twelve".