212760078324 has 48 divisors (see below), whose sum is σ = 518461751808. Its totient is φ = 67779292768.

The previous prime is 212760078317. The next prime is 212760078337. The reversal of 212760078324 is 423870067212.

It is a happy number.

It is a super-2 number, since 2×212760078324² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2899 + ... + 652325.

It is an arithmetic number, because the mean of its divisors is an integer number (10801286496).

Almost surely, 2^212760078324 is an apocalyptic number.

It is an amenable number.

212760078324 is an abundant number, since it is smaller than the sum of its proper divisors (305701673484).

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

212760078324 is a wasteful number, since it uses less digits than its factorization.

212760078324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650644 (or 650642 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 212760078324 in words is "two hundred twelve billion, seven hundred sixty million, seventy-eight thousand, three hundred twenty-four".