10122012112 has 10 divisors (see below), whose sum is σ = 19611398498. Its totient is φ = 5061006048.

The previous prime is 10122012059. The next prime is 10122012119. The reversal of 10122012112 is 21121022101.

It can be written as a sum of positive squares in only one way, i.e., 9082852416 + 1039159696 = 95304^2 + 32236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10122012092 and 10122012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122012119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316312863 + ... + 316312894.

Almost surely, 2^10122012112 is an apocalyptic number.

It is an amenable number.

10122012112 is a deficient number, since it is larger than the sum of its proper divisors (9489386386).

10122012112 is an equidigital number, since it uses as much as digits as its factorization.

10122012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632625765 (or 632625759 counting only the distinct ones).

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

Adding to 10122012112 its reverse (21121022101), we get a palindrome (31243034213).

The spelling of 10122012112 in words is "ten billion, one hundred twenty-two million, twelve thousand, one hundred twelve".