303212023212 has 72 divisors (see below), whose sum is σ = 845249015296. Its totient is φ = 82865385504.

The previous prime is 303212023211. The next prime is 303212023223. The reversal of 303212023212 is 212320212303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (303212023211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3367348 + ... + 3456219.

Almost surely, 2^303212023212 is an apocalyptic number.

It is an amenable number.

303212023212 is an abundant number, since it is smaller than the sum of its proper divisors (542036992084).

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

303212023212 is a wasteful number, since it uses less digits than its factorization.

303212023212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6823627 (or 6823602 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 303212023212 its reverse (212320212303), we get a palindrome (515532235515).

The spelling of 303212023212 in words is "three hundred three billion, two hundred twelve million, twenty-three thousand, two hundred twelve".