212151205620512 has 48 divisors (see below), whose sum is σ = 421507991076480. Its totient is φ = 105101573006592.

The previous prime is 212151205620481. The next prime is 212151205620533. The reversal of 212151205620512 is 215026502151212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758022233 + ... + 758302055.

It is an arithmetic number, because the mean of its divisors is an integer number (8781416480760).

Almost surely, 2^{212151205620512} is an apocalyptic number.

It is an amenable number.

212151205620512 is a deficient number, since it is larger than the sum of its proper divisors (209356785455968).

212151205620512 is a wasteful number, since it uses less digits than its factorization.

212151205620512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497305 (or 497297 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 212151205620512 its reverse (215026502151212), we get a palindrome (427177707771724).

The spelling of 212151205620512 in words is "two hundred twelve trillion, one hundred fifty-one billion, two hundred five million, six hundred twenty thousand, five hundred twelve".