212012104432 has 40 divisors (see below), whose sum is σ = 433797485184. Its totient is φ = 100175427264.

The previous prime is 212012104429. The next prime is 212012104463. The reversal of 212012104432 is 234401210212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3440058 + ... + 3501145.

Almost surely, 2^212012104432 is an apocalyptic number.

It is an amenable number.

212012104432 is an abundant number, since it is smaller than the sum of its proper divisors (221785380752).

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

212012104432 is a wasteful number, since it uses less digits than its factorization.

212012104432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6941317 (or 6941311 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 212012104432 its reverse (234401210212), we get a palindrome (446413314644).

The spelling of 212012104432 in words is "two hundred twelve billion, twelve million, one hundred four thousand, four hundred thirty-two".