312212233300 has 72 divisors (see below), whose sum is σ = 739456859232. Its totient is φ = 113475600000.

The previous prime is 312212233283. The next prime is 312212233337. The reversal of 312212233300 is 3332212213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2189175 + ... + 2327425.

It is an arithmetic number, because the mean of its divisors is an integer number (10270234156).

Almost surely, 2^312212233300 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 312212233300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (369728429616).

312212233300 is an abundant number, since it is smaller than the sum of its proper divisors (427244625932).

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

312212233300 is a wasteful number, since it uses less digits than its factorization.

312212233300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140329 (or 140322 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 312212233300 its reverse (3332212213), we get a palindrome (315544445513).

The spelling of 312212233300 in words is "three hundred twelve billion, two hundred twelve million, two hundred thirty-three thousand, three hundred".