312203021413012 has 12 divisors (see below), whose sum is σ = 549835257457780. Its totient is φ = 155107233567936.

The previous prime is 312203021412979. The next prime is 312203021413081. The reversal of 312203021413012 is 210314120302213.

It can be written as a sum of positive squares in 2 ways, for example, as 178020545044356 + 134182476368656 = 13342434^2 + 11583716^2 .

It is a congruent number.

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, 248569283937 + ... + 248569285192.

Almost surely, 2^{312203021413012} is an apocalyptic number.

It is an amenable number.

312203021413012 is a deficient number, since it is larger than the sum of its proper divisors (237632236044768).

312203021413012 is a wasteful number, since it uses less digits than its factorization.

312203021413012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497138569290 (or 497138569288 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 312203021413012 its reverse (210314120302213), we get a palindrome (522517141715225).

The spelling of 312203021413012 in words is "three hundred twelve trillion, two hundred three billion, twenty-one million, four hundred thirteen thousand, twelve".