312000134021300 has 72 divisors (see below), whose sum is σ = 698893167141120. Its totient is φ = 120772021881600.

The previous prime is 312000134021299. The next prime is 312000134021339. The reversal of 312000134021300 is 3120431000213.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172729427 + ... + 174526373.

Almost surely, 2^{312000134021300} is an apocalyptic number.

It is an amenable number.

312000134021300 is an abundant number, since it is smaller than the sum of its proper divisors (386893033119820).

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

312000134021300 is a wasteful number, since it uses less digits than its factorization.

312000134021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853001 (or 1852994 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 312000134021300 its reverse (3120431000213), we get a palindrome (315120565021513).

The spelling of 312000134021300 in words is "three hundred twelve trillion, one hundred thirty-four million, twenty-one thousand, three hundred".