312023211202 has 12 divisors (see below), whose sum is σ = 489268912230. Its totient is φ = 149228491808.

The previous prime is 312023211193. The next prime is 312023211223. The reversal of 312023211202 is 202112320213.

It can be written as a sum of positive squares in only one way, i.e., 294307335001 + 17715876201 = 542501^2 + 133101^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312023211202.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147457927 + ... + 147460042.

Almost surely, 2^312023211202 is an apocalyptic number.

312023211202 is a deficient number, since it is larger than the sum of its proper divisors (177245701028).

312023211202 is a wasteful number, since it uses less digits than its factorization.

312023211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294918017 (or 294917994 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 312023211202 its reverse (202112320213), we get a palindrome (514135531415).

The spelling of 312023211202 in words is "three hundred twelve billion, twenty-three million, two hundred eleven thousand, two hundred two".