212054814 has 16 divisors (see below), whose sum is σ = 471233040. Its totient is φ = 70684920.

The previous prime is 212054767. The next prime is 212054827. The reversal of 212054814 is 418450212.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1963417 + ... + 1963524.

It is an arithmetic number, because the mean of its divisors is an integer number (29452065).

Almost surely, 2^212054814 is an apocalyptic number.

212054814 is an abundant number, since it is smaller than the sum of its proper divisors (259178226).

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

212054814 is a wasteful number, since it uses less digits than its factorization.

212054814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926952 (or 3926946 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 212054814 is about 14562.1019773932. The cubic root of 212054814 is about 596.3245814701.

The spelling of 212054814 in words is "two hundred twelve million, fifty-four thousand, eight hundred fourteen".