212372056 has 16 divisors (see below), whose sum is σ = 428828400. Its totient is φ = 98017824.

The previous prime is 212372051. The next prime is 212372059. The reversal of 212372056 is 650273212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212372051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020916 + ... + 1021123.

It is an arithmetic number, because the mean of its divisors is an integer number (26801775).

Almost surely, 2^212372056 is an apocalyptic number.

212372056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

212372056 is an abundant number, since it is smaller than the sum of its proper divisors (216456344).

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

212372056 is a wasteful number, since it uses less digits than its factorization.

212372056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042058 (or 2042054 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 212372056 is about 14572.9906333601. The cubic root of 212372056 is about 596.6218079873.

The spelling of 212372056 in words is "two hundred twelve million, three hundred seventy-two thousand, fifty-six".