212135144533142 has 16 divisors (see below), whose sum is σ = 320620097494752. Its totient is φ = 105263138692800.

The previous prime is 212135144533139. The next prime is 212135144533153. The reversal of 212135144533142 is 241335441531212.

It is a self number, because there is not a number n which added to its sum of digits gives 212135144533142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339685253 + ... + 340309184.

It is an arithmetic number, because the mean of its divisors is an integer number (20038756093422).

Almost surely, 2^{212135144533142} is an apocalyptic number.

212135144533142 is a deficient number, since it is larger than the sum of its proper divisors (108484952961610).

212135144533142 is a wasteful number, since it uses less digits than its factorization.

212135144533142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679995623.

The product of its digits is 345600, while the sum is 41.

The spelling of 212135144533142 in words is "two hundred twelve trillion, one hundred thirty-five billion, one hundred forty-four million, five hundred thirty-three thousand, one hundred forty-two".