312212231432 has 16 divisors (see below), whose sum is σ = 587730200400. Its totient is φ = 155484178000.

The previous prime is 312212231399. The next prime is 312212231449. The reversal of 312212231432 is 234132212213.

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, 77740082 + ... + 77744097.

It is an arithmetic number, because the mean of its divisors is an integer number (36733137525).

Almost surely, 2^312212231432 is an apocalyptic number.

It is an amenable number.

312212231432 is a deficient number, since it is larger than the sum of its proper divisors (275517968968).

312212231432 is a wasteful number, since it uses less digits than its factorization.

312212231432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155484436 (or 155484432 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

Adding to 312212231432 its reverse (234132212213), we get a palindrome (546344443645).

The spelling of 312212231432 in words is "three hundred twelve billion, two hundred twelve million, two hundred thirty-one thousand, four hundred thirty-two".