312221422320010 has 32 divisors (see below), whose sum is σ = 642657273011712. Its totient is φ = 106985144088960.

The previous prime is 312221422319971. The next prime is 312221422320037. The reversal of 312221422320010 is 10023224122213.

It is a super-2 number, since 2×312221422320010² (a number of 30 digits) contains 22 as substring.

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, 1295726722 + ... + 1295967661.

It is an arithmetic number, because the mean of its divisors is an integer number (20083039781616).

Almost surely, 2^{312221422320010} is an apocalyptic number.

312221422320010 is an abundant number, since it is smaller than the sum of its proper divisors (330435850691702).

312221422320010 is a wasteful number, since it uses less digits than its factorization.

312221422320010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591696118.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 312221422320010 its reverse (10023224122213), we get a palindrome (322244646442223).

The spelling of 312221422320010 in words is "three hundred twelve trillion, two hundred twenty-one billion, four hundred twenty-two million, three hundred twenty thousand, ten".