312301303111122 has 128 divisors (see below), whose sum is σ = 680352511829760. Its totient is φ = 94997919744000.

The previous prime is 312301303111033. The next prime is 312301303111139. The reversal of 312301303111122 is 221111303103213.

It is a junction number, because it is equal to n+sod(n) for n = 312301303111092 and 312301303111101.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16024481154 + ... + 16024500642.

It is an arithmetic number, because the mean of its divisors is an integer number (5315253998670).

Almost surely, 2^{312301303111122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312301303111122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340176255914880).

312301303111122 is an abundant number, since it is smaller than the sum of its proper divisors (368051208718638).

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

312301303111122 is a wasteful number, since it uses less digits than its factorization.

312301303111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 312301303111122 its reverse (221111303103213), we get a palindrome (533412606214335).

The spelling of 312301303111122 in words is "three hundred twelve trillion, three hundred one billion, three hundred three million, one hundred eleven thousand, one hundred twenty-two".