312200412 has 24 divisors (see below), whose sum is σ = 729094800. Its totient is φ = 103977216.

The previous prime is 312200389. The next prime is 312200423. The reversal of 312200412 is 214002213.

It is a junction number, because it is equal to n+sod(n) for n = 312200391 and 312200400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4164 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (30378950).

Almost surely, 2^312200412 is an apocalyptic number.

It is an amenable number.

312200412 is an abundant number, since it is smaller than the sum of its proper divisors (416894388).

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

312200412 is a wasteful number, since it uses less digits than its factorization.

312200412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22405 (or 22403 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 312200412 is about 17669.1938695573. The cubic root of 312200412 is about 678.3874796281.

Adding to 312200412 its reverse (214002213), we get a palindrome (526202625).

The spelling of 312200412 in words is "three hundred twelve million, two hundred thousand, four hundred twelve".