912132221312 has 32 divisors (see below), whose sum is σ = 1956918290880. Its totient is φ = 420984101376.

The previous prime is 912132221291. The next prime is 912132221321. The reversal of 912132221312 is 213122231219.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274076528 + ... + 274079855.

It is an arithmetic number, because the mean of its divisors is an integer number (61153696590).

Almost surely, 2^912132221312 is an apocalyptic number.

It is an amenable number.

912132221312 is an abundant number, since it is smaller than the sum of its proper divisors (1044786069568).

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

912132221312 is a wasteful number, since it uses less digits than its factorization.

912132221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548156410 (or 548156398 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The spelling of 912132221312 in words is "nine hundred twelve billion, one hundred thirty-two million, two hundred twenty-one thousand, three hundred twelve".