212605661024346 has 32 divisors (see below), whose sum is σ = 431038665949248. Its totient is φ = 69897341093760.

The previous prime is 212605661024333. The next prime is 212605661024369. The reversal of 212605661024346 is 643420166506212.

It is a junction number, because it is equal to n+sod(n) for n = 212605661024295 and 212605661024304.

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, 78333940 + ... + 81002576.

It is an arithmetic number, because the mean of its divisors is an integer number (13469958310914).

Almost surely, 2^{212605661024346} is an apocalyptic number.

212605661024346 is an abundant number, since it is smaller than the sum of its proper divisors (218433004924902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212605661024346 is a wasteful number, since it uses less digits than its factorization.

212605661024346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850606.

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 212605661024346 in words is "two hundred twelve trillion, six hundred five billion, six hundred sixty-one million, twenty-four thousand, three hundred forty-six".