312002123203020 has 48 divisors (see below), whose sum is σ = 874176556555008. Its totient is φ = 83146222226880.

The previous prime is 312002123203019. The next prime is 312002123203079. The reversal of 312002123203020 is 20302321200213.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1698156144 + ... + 1698339863.

It is an arithmetic number, because the mean of its divisors is an integer number (18212011594896).

Almost surely, 2^{312002123203020} is an apocalyptic number.

312002123203020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

312002123203020 is an abundant number, since it is smaller than the sum of its proper divisors (562174433351988).

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

312002123203020 is a wasteful number, since it uses less digits than its factorization.

312002123203020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396497550 (or 3396497548 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 312002123203020 its reverse (20302321200213), we get a palindrome (332304444403233).

The spelling of 312002123203020 in words is "three hundred twelve trillion, two billion, one hundred twenty-three million, two hundred three thousand, twenty".