212054378 has 32 divisors (see below), whose sum is σ = 338022720. Its totient is φ = 99648640.

The previous prime is 212054333. The next prime is 212054387. The reversal of 212054378 is 873450212.

212054378 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 256001 + ... + 256827.

It is an arithmetic number, because the mean of its divisors is an integer number (10563210).

Almost surely, 2^212054378 is an apocalyptic number.

212054378 is a deficient number, since it is larger than the sum of its proper divisors (125968342).

212054378 is a wasteful number, since it uses less digits than its factorization.

212054378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 212054378 is about 14562.0870070193. The cubic root of 212054378 is about 596.3241727743.

The spelling of 212054378 in words is "two hundred twelve million, fifty-four thousand, three hundred seventy-eight".