312332222420 has 24 divisors (see below), whose sum is σ = 657787876704. Its totient is φ = 124572849056.

The previous prime is 312332222413. The next prime is 312332222459. The reversal of 312332222420 is 24222233213.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 312332222420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22495382 + ... + 22509261.

It is an arithmetic number, because the mean of its divisors is an integer number (27407828196).

Almost surely, 2^312332222420 is an apocalyptic number.

It is an amenable number.

312332222420 is an abundant number, since it is smaller than the sum of its proper divisors (345455654284).

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

312332222420 is a wasteful number, since it uses less digits than its factorization.

312332222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45004999 (or 45004997 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 312332222420 its reverse (24222233213), we get a palindrome (336554455633).

The spelling of 312332222420 in words is "three hundred twelve billion, three hundred thirty-two million, two hundred twenty-two thousand, four hundred twenty".