212551002 has 12 divisors (see below), whose sum is σ = 460527210. Its totient is φ = 70850328.

The previous prime is 212550971. The next prime is 212551013. The reversal of 212551002 is 200155212.

212551002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 193182201 + 19368801 = 13899^2 + 4401^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11808389 = 212551002 / (2 + 1 + 2 + 5 + 5 + 1 + 0 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5904177 + ... + 5904212.

Almost surely, 2^212551002 is an apocalyptic number.

212551002 is an abundant number, since it is smaller than the sum of its proper divisors (247976208).

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

212551002 is a wasteful number, since it uses less digits than its factorization.

212551002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11808397 (or 11808394 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 212551002 is about 14579.1289863284. The cubic root of 212551002 is about 596.7893333445.

The spelling of 212551002 in words is "two hundred twelve million, five hundred fifty-one thousand, two".