212104642435 has 32 divisors (see below), whose sum is σ = 291838390272. Its totient is φ = 144967622400.

The previous prime is 212104642417. The next prime is 212104642469. The reversal of 212104642435 is 534246401212.

It is not a de Polignac number, because 212104642435 - 2⁹ = 212104641923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212104642435.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32764359 + ... + 32770831.

It is an arithmetic number, because the mean of its divisors is an integer number (9119949696).

Almost surely, 2^212104642435 is an apocalyptic number.

212104642435 is a deficient number, since it is larger than the sum of its proper divisors (79733747837).

212104642435 is a wasteful number, since it uses less digits than its factorization.

212104642435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 212104642435 in words is "two hundred twelve billion, one hundred four million, six hundred forty-two thousand, four hundred thirty-five".