212310243115 has 16 divisors (see below), whose sum is σ = 257675256000. Its totient is φ = 167917859200.

The previous prime is 212310243083. The next prime is 212310243163. The reversal of 212310243115 is 511342013212.

It is not a de Polignac number, because 212310243115 - 2⁵ = 212310243083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212310243115.

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, 31386 + ... + 652384.

It is an arithmetic number, because the mean of its divisors is an integer number (16104703500).

Almost surely, 2^212310243115 is an apocalyptic number.

212310243115 is a deficient number, since it is larger than the sum of its proper divisors (45365012885).

212310243115 is a wasteful number, since it uses less digits than its factorization.

212310243115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621782.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 212310243115 its reverse (511342013212), we get a palindrome (723652256327).

The spelling of 212310243115 in words is "two hundred twelve billion, three hundred ten million, two hundred forty-three thousand, one hundred fifteen".