312320203100000 has 144 divisors (see below), whose sum is σ = 779375993431392. Its totient is φ = 123168528000000.

The previous prime is 312320203099979. The next prime is 312320203100033. The reversal of 312320203100000 is 1302023213.

It is a super-2 number, since 2×312320203100000² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14894381 + ... + 29094380.

It is an arithmetic number, because the mean of its divisors is an integer number (5412333287718).

Almost surely, 2^{312320203100000} is an apocalyptic number.

It is an amenable number.

312320203100000 is an abundant number, since it is smaller than the sum of its proper divisors (467055790331392).

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

312320203100000 is an frugal number, since it uses more digits than its factorization.

312320203100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43988867 (or 43988839 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 312320203100000 its reverse (1302023213), we get a palindrome (312321505123213).

The spelling of 312320203100000 in words is "three hundred twelve trillion, three hundred twenty billion, two hundred three million, one hundred thousand".