312201121308 has 36 divisors (see below), whose sum is σ = 761518944648. Its totient is φ = 99542384480.

The previous prime is 312201121277. The next prime is 312201121321. The reversal of 312201121308 is 803121102213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24584163 + ... + 24596858.

It is an arithmetic number, because the mean of its divisors is an integer number (21153304018).

Almost surely, 2^312201121308 is an apocalyptic number.

It is an amenable number.

312201121308 is an abundant number, since it is smaller than the sum of its proper divisors (449317823340).

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

312201121308 is a wasteful number, since it uses less digits than its factorization.

312201121308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49181074 (or 49181049 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 312201121308 in words is "three hundred twelve billion, two hundred one million, one hundred twenty-one thousand, three hundred eight".