10021231102212 has 72 divisors (see below), whose sum is σ = 27635228318880. Its totient is φ = 3036635118720.

The previous prime is 10021231102189. The next prime is 10021231102213. The reversal of 10021231102212 is 21220113212001.

10021231102212 is a `hidden beast` number, since 100 + 21 + 231 + 102 + 212 = 666.

10021231102212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10021231102212² (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (10021231102213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11881339 + ... + 12696797.

It is an arithmetic number, because the mean of its divisors is an integer number (383822615540).

Almost surely, 2^{10021231102212} is an apocalyptic number.

10021231102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10021231102212 is an abundant number, since it is smaller than the sum of its proper divisors (17613997216668).

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

10021231102212 is a wasteful number, since it uses less digits than its factorization.

10021231102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846513 (or 846508 counting only the distinct ones).

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

Adding to 10021231102212 its reverse (21220113212001), we get a palindrome (31241344314213).

The spelling of 10021231102212 in words is "ten trillion, twenty-one billion, two hundred thirty-one million, one hundred two thousand, two hundred twelve".