312000212012200 has 24 divisors (see below), whose sum is σ = 725400492928830. Its totient is φ = 124800084804800.

The previous prime is 312000212012191. The next prime is 312000212012227. The reversal of 312000212012200 is 2210212000213.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 283782931756164 + 28217280256036 = 16845858^2 + 5311994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 780000529831 + ... + 780000530230.

Almost surely, 2^{312000212012200} is an apocalyptic number.

It is an amenable number.

312000212012200 is an abundant number, since it is smaller than the sum of its proper divisors (413400280916630).

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

312000212012200 is a wasteful number, since it uses less digits than its factorization.

312000212012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560001060077 (or 1560001060068 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 312000212012200 its reverse (2210212000213), we get a palindrome (314210424012413).

The spelling of 312000212012200 in words is "three hundred twelve trillion, two hundred twelve million, twelve thousand, two hundred".