10112212112 has 20 divisors (see below), whose sum is σ = 19786398396. Its totient is φ = 5006044800.

The previous prime is 10112212111. The next prime is 10112212127. The reversal of 10112212112 is 21121221101.

It can be written as a sum of positive squares in 2 ways, for example, as 8772944896 + 1339267216 = 93664^2 + 36596^2 .

It is not an unprimeable number, because it can be changed into a prime (10112212111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3127163 + ... + 3130394.

Almost surely, 2^10112212112 is an apocalyptic number.

It is an amenable number.

10112212112 is a deficient number, since it is larger than the sum of its proper divisors (9674186284).

10112212112 is a wasteful number, since it uses less digits than its factorization.

10112212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257666 (or 6257660 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10112212112 its reverse (21121221101), we get a palindrome (31233433213).

The spelling of 10112212112 in words is "ten billion, one hundred twelve million, two hundred twelve thousand, one hundred twelve".