312150336420 has 48 divisors (see below), whose sum is σ = 941253324480. Its totient is φ = 76837005696.

The previous prime is 312150336419. The next prime is 312150336427. The reversal of 312150336420 is 24633051213.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (312150336427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200095590 + ... + 200097149.

It is an arithmetic number, because the mean of its divisors is an integer number (19609444260).

Almost surely, 2^312150336420 is an apocalyptic number.

312150336420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312150336420 is an abundant number, since it is smaller than the sum of its proper divisors (629102988060).

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

312150336420 is a wasteful number, since it uses less digits than its factorization.

312150336420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400192764 (or 400192762 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 312150336420 its reverse (24633051213), we get a palindrome (336783387633).

The spelling of 312150336420 in words is "three hundred twelve billion, one hundred fifty million, three hundred thirty-six thousand, four hundred twenty".