212418965159999 has 16 divisors (see below), whose sum is σ = 229388378313024. Its totient is φ = 195539829408000.

The previous prime is 212418965159993. The next prime is 212418965160067. The reversal of 212418965159999 is 999951569814212.

It is a Cunningham number, because it is equal to 14574600²-1.

It is a cyclic number.

It is not a de Polignac number, because 212418965159999 - 2²⁴ = 212418948382783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212418965159993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7287299 + ... + 21861899.

It is an arithmetic number, because the mean of its divisors is an integer number (14336773644564).

Almost surely, 2^{212418965159999} is an apocalyptic number.

212418965159999 is a deficient number, since it is larger than the sum of its proper divisors (16969413153025).

212418965159999 is a wasteful number, since it uses less digits than its factorization.

212418965159999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14577698.

The product of its digits is 1133740800, while the sum is 80.

The spelling of 212418965159999 in words is "two hundred twelve trillion, four hundred eighteen billion, nine hundred sixty-five million, one hundred fifty-nine thousand, nine hundred ninety-nine".