312412214212 has 12 divisors (see below), whose sum is σ = 624824428480. Its totient is φ = 133890948936.

The previous prime is 312412214197. The next prime is 312412214221. The reversal of 312412214212 is 212412214213.

312412214212 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5578789512 + ... + 5578789567.

Almost surely, 2^312412214212 is an apocalyptic number.

It is an amenable number.

312412214212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312412214212 is a wasteful number, since it uses less digits than its factorization.

312412214212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11157579090 (or 11157579088 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

Adding to 312412214212 its reverse (212412214213), we get a palindrome (524824428425).

Subtracting from 312412214212 its reverse (212412214213), we obtain a palindrome (99999999999).

The spelling of 312412214212 in words is "three hundred twelve billion, four hundred twelve million, two hundred fourteen thousand, two hundred twelve".