312123011032 has 64 divisors (see below), whose sum is σ = 687395520000. Its totient is φ = 132804489888.

The previous prime is 312123011029. The next prime is 312123011051. The reversal of 312123011032 is 230110321213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27748 + ... + 790579.

It is an arithmetic number, because the mean of its divisors is an integer number (10740555000).

Almost surely, 2^312123011032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312123011032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343697760000).

312123011032 is an abundant number, since it is smaller than the sum of its proper divisors (375272508968).

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

312123011032 is a wasteful number, since it uses less digits than its factorization.

312123011032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818493 (or 818475 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 312123011032 its reverse (230110321213), we get a palindrome (542233332245).

The spelling of 312123011032 in words is "three hundred twelve billion, one hundred twenty-three million, eleven thousand, thirty-two".