12212300312 has 64 divisors (see below), whose sum is σ = 24722755200. Its totient is φ = 5636736000.

The previous prime is 12212300209. The next prime is 12212300341. The reversal of 12212300312 is 21300321221.

It is a congruent number.

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, 3050312 + ... + 3054312.

It is an arithmetic number, because the mean of its divisors is an integer number (386293050).

Almost surely, 2^12212300312 is an apocalyptic number.

It is an amenable number.

12212300312 is an abundant number, since it is smaller than the sum of its proper divisors (12510454888).

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

12212300312 is a wasteful number, since it uses less digits than its factorization.

12212300312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12212300312 its reverse (21300321221), we get a palindrome (33512621533).

The spelling of 12212300312 in words is "twelve billion, two hundred twelve million, three hundred thousand, three hundred twelve".