212641596 has 18 divisors (see below), whose sum is σ = 537510792. Its totient is φ = 70880520.

The previous prime is 212641591. The next prime is 212641609. The reversal of 212641596 is 695146212.

212641596 is a `hidden beast` number, since 2 + 1 + 2 + 64 + 1 + 596 = 666.

212641596 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 5906711 = 212641596 / (2 + 1 + 2 + 6 + 4 + 1 + 5 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 212641596.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212641591) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2953320 + ... + 2953391.

Almost surely, 2^212641596 is an apocalyptic number.

It is an amenable number.

212641596 is an abundant number, since it is smaller than the sum of its proper divisors (324869196).

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

212641596 is a wasteful number, since it uses less digits than its factorization.

212641596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906721 (or 5906716 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 212641596 is about 14582.2356310684. The cubic root of 212641596 is about 596.8741096302.

The spelling of 212641596 in words is "two hundred twelve million, six hundred forty-one thousand, five hundred ninety-six".