212829372 has 54 divisors (see below), whose sum is σ = 615510168. Its totient is φ = 60742224.

The previous prime is 212829361. The next prime is 212829391. The reversal of 212829372 is 273928212.

212829372 is a `hidden beast` number, since 2 + 1 + 282 + 9 + 372 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 231129 + ... + 232047.

Almost surely, 2^212829372 is an apocalyptic number.

It is an amenable number.

212829372 is an abundant number, since it is smaller than the sum of its proper divisors (402680796).

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

212829372 is an equidigital number, since it uses as much as digits as its factorization.

212829372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855 (or 931 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 212829372 is about 14588.6727292102. The cubic root of 212829372 is about 597.0497504898.

The spelling of 212829372 in words is "two hundred twelve million, eight hundred twenty-nine thousand, three hundred seventy-two".