10120111122012 has 48 divisors (see below), whose sum is σ = 25106372942112. Its totient is φ = 3161762795520.

The previous prime is 10120111122001. The next prime is 10120111122013. The reversal of 10120111122012 is 21022111102101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10120111121982 and 10120111122000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120111122013) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 102872803 + ... + 102971130.

It is an arithmetic number, because the mean of its divisors is an integer number (523049436294).

Almost surely, 2^{10120111122012} is an apocalyptic number.

10120111122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10120111122012 is an abundant number, since it is smaller than the sum of its proper divisors (14986261820100).

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

10120111122012 is a wasteful number, since it uses less digits than its factorization.

10120111122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205844198 (or 205844196 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10120111122012 its reverse (21022111102101), we get a palindrome (31142222224113).

The spelling of 10120111122012 in words is "ten trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty-two thousand, twelve".