10122112012 has 12 divisors (see below), whose sum is σ = 17715396160. Its totient is φ = 5060570256.

The previous prime is 10122111991. The next prime is 10122112109. The reversal of 10122112012 is 21021122101.

It is a junction number, because it is equal to n+sod(n) for n = 10122111983 and 10122112001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72348 + ... + 159619.

Almost surely, 2^10122112012 is an apocalyptic number.

It is an amenable number.

10122112012 is a deficient number, since it is larger than the sum of its proper divisors (7593284148).

10122112012 is a wasteful number, since it uses less digits than its factorization.

10122112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242880 (or 242878 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10122112012 its reverse (21021122101), we get a palindrome (31143234113).

The spelling of 10122112012 in words is "ten billion, one hundred twenty-two million, one hundred twelve thousand, twelve".