10212212112 has 40 divisors (see below), whose sum is σ = 27770052960. Its totient is φ = 3224908800.

The previous prime is 10212212099. The next prime is 10212212161. The reversal of 10212212112 is 21121221201.

It is a junction number, because it is equal to n+sod(n) for n = 10212212091 and 10212212100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5597889 + ... + 5599712.

It is an arithmetic number, because the mean of its divisors is an integer number (694251324).

Almost surely, 2^10212212112 is an apocalyptic number.

10212212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212212112 is an abundant number, since it is smaller than the sum of its proper divisors (17557840848).

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

10212212112 is a wasteful number, since it uses less digits than its factorization.

10212212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11197631 (or 11197625 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212212112 its reverse (21121221201), we get a palindrome (31333433313).

The spelling of 10212212112 in words is "ten billion, two hundred twelve million, two hundred twelve thousand, one hundred twelve".