212452251 has 32 divisors (see below), whose sum is σ = 315187200. Its totient is φ = 126216480.

The previous prime is 212452237. The next prime is 212452259. The reversal of 212452251 is 152254212.

It is not a de Polignac number, because 212452251 - 2²⁵ = 178897819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212452259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591610 + ... + 591968.

It is an arithmetic number, because the mean of its divisors is an integer number (9849600).

Almost surely, 2^212452251 is an apocalyptic number.

212452251 is a deficient number, since it is larger than the sum of its proper divisors (102734949).

212452251 is a wasteful number, since it uses less digits than its factorization.

212452251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its digits is 1600, while the sum is 24.

The square root of 212452251 is about 14575.7418679119. The cubic root of 212452251 is about 596.6968964359.

The spelling of 212452251 in words is "two hundred twelve million, four hundred fifty-two thousand, two hundred fifty-one".