212392245 has 16 divisors (see below), whose sum is σ = 365968512. Its totient is φ = 104562240.

The previous prime is 212392207. The next prime is 212392291. The reversal of 212392245 is 542293212.

212392245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212392245 - 2⁸ = 212391989 is a prime.

It is a super-3 number, since 3×212392245³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544401 + ... + 544790.

It is an arithmetic number, because the mean of its divisors is an integer number (22873032).

Almost surely, 2^212392245 is an apocalyptic number.

It is an amenable number.

212392245 is a deficient number, since it is larger than the sum of its proper divisors (153576267).

212392245 is a wasteful number, since it uses less digits than its factorization.

212392245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089212.

The product of its digits is 8640, while the sum is 30.

The square root of 212392245 is about 14573.6833024462. The cubic root of 212392245 is about 596.6407131989.

The spelling of 212392245 in words is "two hundred twelve million, three hundred ninety-two thousand, two hundred forty-five".