212022102312 has 64 divisors (see below), whose sum is σ = 589029408000. Its totient is φ = 70664539392.

The previous prime is 212022102311. The next prime is 212022102329. The reversal of 212022102312 is 213201220212.

212022102312 is a `hidden beast` number, since 21 + 202 + 210 + 231 + 2 = 666.

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 (212022102311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648528 + ... + 1772480.

It is an arithmetic number, because the mean of its divisors is an integer number (9203584500).

Almost surely, 2^212022102312 is an apocalyptic number.

It is an amenable number.

212022102312 is an abundant number, since it is smaller than the sum of its proper divisors (377007305688).

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

212022102312 is a wasteful number, since it uses less digits than its factorization.

212022102312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131887 (or 131877 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212022102312 its reverse (213201220212), we get a palindrome (425223322524).

The spelling of 212022102312 in words is "two hundred twelve billion, twenty-two million, one hundred two thousand, three hundred twelve".