10212021312012 has 96 divisors (see below), whose sum is σ = 28701019343360. Its totient is φ = 3121351329600.

The previous prime is 10212021311957. The next prime is 10212021312047. The reversal of 10212021312012 is 21021312021201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23872498 + ... + 24296505.

Almost surely, 2^{10212021312012} is an apocalyptic number.

10212021312012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10212021312012 is an abundant number, since it is smaller than the sum of its proper divisors (18488998031348).

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

10212021312012 is a wasteful number, since it uses less digits than its factorization.

10212021312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48169180 (or 48169172 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10212021312012 its reverse (21021312021201), we get a palindrome (31233333333213).

The spelling of 10212021312012 in words is "ten trillion, two hundred twelve billion, twenty-one million, three hundred twelve thousand, twelve".