212104315536 has 40 divisors (see below), whose sum is σ = 548088253440. Its totient is φ = 70681812096.

The previous prime is 212104315529. The next prime is 212104315637. The reversal of 212104315536 is 635513401212.

It is a junction number, because it is equal to n+sod(n) for n = 212104315497 and 212104315506.

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, 438096 + ... + 784943.

It is an arithmetic number, because the mean of its divisors is an integer number (13702206336).

Almost surely, 2^212104315536 is an apocalyptic number.

It is an amenable number.

212104315536 is an abundant number, since it is smaller than the sum of its proper divisors (335983937904).

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

212104315536 is a wasteful number, since it uses less digits than its factorization.

212104315536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226663 (or 1226657 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 212104315536 its reverse (635513401212), we get a palindrome (847617716748).

The spelling of 212104315536 in words is "two hundred twelve billion, one hundred four million, three hundred fifteen thousand, five hundred thirty-six".