212504364 has 24 divisors (see below), whose sum is σ = 550937520. Its totient is φ = 70834752.

The previous prime is 212504363. The next prime is 212504389. The reversal of 212504364 is 463405212.

212504364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (212504363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983709 + ... + 983924.

It is an arithmetic number, because the mean of its divisors is an integer number (22955730).

Almost surely, 2^212504364 is an apocalyptic number.

It is an amenable number.

212504364 is an abundant number, since it is smaller than the sum of its proper divisors (338433156).

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

212504364 is a wasteful number, since it uses less digits than its factorization.

212504364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967646 (or 1967638 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 212504364 is about 14577.5294203099. The cubic root of 212504364 is about 596.7456809244.

Adding to 212504364 its reverse (463405212), we get a palindrome (675909576).

The spelling of 212504364 in words is "two hundred twelve million, five hundred four thousand, three hundred sixty-four".