212021311432 has 16 divisors (see below), whose sum is σ = 454331381760. Its totient is φ = 90866276304.

The previous prime is 212021311423. The next prime is 212021311477. The reversal of 212021311432 is 234113120212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1893047368 + ... + 1893047479.

It is an arithmetic number, because the mean of its divisors is an integer number (28395711360).

Almost surely, 2^212021311432 is an apocalyptic number.

It is an amenable number.

212021311432 is an abundant number, since it is smaller than the sum of its proper divisors (242310070328).

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

212021311432 is a wasteful number, since it uses less digits than its factorization.

212021311432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786094860 (or 3786094856 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 212021311432 its reverse (234113120212), we get a palindrome (446134431644).

The spelling of 212021311432 in words is "two hundred twelve billion, twenty-one million, three hundred eleven thousand, four hundred thirty-two".