212542400315 has 16 divisors (see below), whose sum is σ = 293417103360. Its totient is φ = 144778168800.

The previous prime is 212542400309. The next prime is 212542400327. The reversal of 212542400315 is 513004245212.

It is not a de Polignac number, because 212542400315 - 2²⁰ = 212541351739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20102795 + ... + 20113364.

It is an arithmetic number, because the mean of its divisors is an integer number (18338568960).

Almost surely, 2^212542400315 is an apocalyptic number.

212542400315 is a deficient number, since it is larger than the sum of its proper divisors (80874703045).

212542400315 is a wasteful number, since it uses less digits than its factorization.

212542400315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40216322.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 212542400315 its reverse (513004245212), we get a palindrome (725546645527).

The spelling of 212542400315 in words is "two hundred twelve billion, five hundred forty-two million, four hundred thousand, three hundred fifteen".