212064022512 has 100 divisors (see below), whose sum is σ = 628745080656. Its totient is φ = 68963892480.

The previous prime is 212064022453. The next prime is 212064022523. The reversal of 212064022512 is 215220460212.

212064022512 is a `hidden beast` number, since 2 + 1 + 2 + 0 + 6 + 402 + 251 + 2 = 666.

It is a super-2 number, since 2×212064022512² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1942348 + ... + 2048619.

Almost surely, 2^212064022512 is an apocalyptic number.

It is an amenable number.

212064022512 is an abundant number, since it is smaller than the sum of its proper divisors (416681058144).

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

212064022512 is a wasteful number, since it uses less digits than its factorization.

212064022512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991028 (or 3991013 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 212064022512 its reverse (215220460212), we get a palindrome (427284482724).

The spelling of 212064022512 in words is "two hundred twelve billion, sixty-four million, twenty-two thousand, five hundred twelve".