312100420232 has 8 divisors (see below), whose sum is σ = 585188287950. Its totient is φ = 156050210112.

The previous prime is 312100420223. The next prime is 312100420259. The reversal of 312100420232 is 232024001213.

It can be written as a sum of positive squares in only one way, i.e., 297576796036 + 14523624196 = 545506^2 + 120514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19506276257 + ... + 19506276272.

Almost surely, 2^312100420232 is an apocalyptic number.

It is an amenable number.

312100420232 is a deficient number, since it is larger than the sum of its proper divisors (273087867718).

312100420232 is a wasteful number, since it uses less digits than its factorization.

312100420232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39012552535 (or 39012552531 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 312100420232 its reverse (232024001213), we get a palindrome (544124421445).

The spelling of 312100420232 in words is "three hundred twelve billion, one hundred million, four hundred twenty thousand, two hundred thirty-two".