312233100000 has 144 divisors (see below), whose sum is σ = 1024450274736. Its totient is φ = 83262080000.

The previous prime is 312233099987. The next prime is 312233100013. The reversal of 312233100000 is 1332213.

It is an interprime number because it is at equal distance from previous prime (312233099987) and next prime (312233100013).

It is a super-2 number, since 2×312233100000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 220389 + ... + 820388.

It is an arithmetic number, because the mean of its divisors is an integer number (7114238019).

Almost surely, 2^312233100000 is an apocalyptic number.

312233100000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312233100000 is an abundant number, since it is smaller than the sum of its proper divisors (712217174736).

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

312233100000 is an equidigital number, since it uses as much as digits as its factorization.

312233100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040815 (or 1040787 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 312233100000 its reverse (1332213), we get a palindrome (312234432213).

The spelling of 312233100000 in words is "three hundred twelve billion, two hundred thirty-three million, one hundred thousand".