312201213031300 has 18 divisors (see below), whose sum is σ = 677476632278138. Its totient is φ = 124880485212480.

The previous prime is 312201213031291. The next prime is 312201213031339. The reversal of 312201213031300 is 3130312102213.

It can be written as a sum of positive squares in 3 ways, for example, as 30165732767556 + 282035480263744 = 5492334^2 + 16793912^2 .

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, 1561006065057 + ... + 1561006065256.

Almost surely, 2^{312201213031300} is an apocalyptic number.

It is an amenable number.

312201213031300 is an abundant number, since it is smaller than the sum of its proper divisors (365275419246838).

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

312201213031300 is a wasteful number, since it uses less digits than its factorization.

312201213031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122012130327 (or 3122012130320 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 312201213031300 its reverse (3130312102213), we get a palindrome (315331525133513).

The spelling of 312201213031300 in words is "three hundred twelve trillion, two hundred one billion, two hundred thirteen million, thirty-one thousand, three hundred".