212322331320 has 64 divisors (see below), whose sum is σ = 694873088640. Its totient is φ = 51472080000.

The previous prime is 212322331259. The next prime is 212322331337. The reversal of 212322331320 is 23133223212.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 80423806 + ... + 80426445.

It is an arithmetic number, because the mean of its divisors is an integer number (10857392010).

Almost surely, 2^212322331320 is an apocalyptic number.

212322331320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212322331320 is an abundant number, since it is smaller than the sum of its proper divisors (482550757320).

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

212322331320 is a wasteful number, since it uses less digits than its factorization.

212322331320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160850276 (or 160850272 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212322331320 its reverse (23133223212), we get a palindrome (235455554532).

The spelling of 212322331320 in words is "two hundred twelve billion, three hundred twenty-two million, three hundred thirty-one thousand, three hundred twenty".