212201515260 has 96 divisors (see below), whose sum is σ = 754494289920. Its totient is φ = 48503202624.

The previous prime is 212201515259. The next prime is 212201515277. The reversal of 212201515260 is 62515102212.

212201515260 is a `hidden beast` number, since 2 + 122 + 0 + 1 + 515 + 26 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28065204 + ... + 28072763.

It is an arithmetic number, because the mean of its divisors is an integer number (7859315520).

Almost surely, 2^212201515260 is an apocalyptic number.

212201515260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201515260 is an abundant number, since it is smaller than the sum of its proper divisors (542292774660).

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

212201515260 is a wasteful number, since it uses less digits than its factorization.

212201515260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56137992 (or 56137984 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 212201515260 its reverse (62515102212), we get a palindrome (274716617472).

The spelling of 212201515260 in words is "two hundred twelve billion, two hundred one million, five hundred fifteen thousand, two hundred sixty".