212580401385 has 16 divisors (see below), whose sum is σ = 371049428160. Its totient is φ = 103069285440.

The previous prime is 212580401359. The next prime is 212580401413. The reversal of 212580401385 is 583104085212.

It is not a de Polignac number, because 212580401385 - 2⁸ = 212580401129 is a prime.

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, 644182870 + ... + 644183199.

It is an arithmetic number, because the mean of its divisors is an integer number (23190589260).

Almost surely, 2^212580401385 is an apocalyptic number.

It is an amenable number.

212580401385 is a deficient number, since it is larger than the sum of its proper divisors (158469026775).

212580401385 is a wasteful number, since it uses less digits than its factorization.

212580401385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288366088.

The product of its (nonzero) digits is 76800, while the sum is 39.

Adding to 212580401385 its reverse (583104085212), we get a palindrome (795684486597).

The spelling of 212580401385 in words is "two hundred twelve billion, five hundred eighty million, four hundred one thousand, three hundred eighty-five".