312203020212304 has 160 divisors (see below), whose sum is σ = 659665728691200. Its totient is φ = 142280204175360.

The previous prime is 312203020212277. The next prime is 312203020212331. The reversal of 312203020212304 is 403212020302213.

It is an interprime number because it is at equal distance from previous prime (312203020212277) and next prime (312203020212331).

It is a super-2 number, since 2×312203020212304² (a number of 30 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 13193709177 + ... + 13193732839.

It is an arithmetic number, because the mean of its divisors is an integer number (4122910804320).

Almost surely, 2^{312203020212304} 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 312203020212304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329832864345600).

312203020212304 is an abundant number, since it is smaller than the sum of its proper divisors (347462708478896).

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

312203020212304 is a wasteful number, since it uses less digits than its factorization.

312203020212304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25773 (or 25767 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 312203020212304 its reverse (403212020302213), we get a palindrome (715415040514517).

The spelling of 312203020212304 in words is "three hundred twelve trillion, two hundred three billion, twenty million, two hundred twelve thousand, three hundred four".