212054915 has 8 divisors (see below), whose sum is σ = 267858960. Its totient is φ = 160715232.

The previous prime is 212054903. The next prime is 212054951. The reversal of 212054915 is 519450212.

212054915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212054915 - 2⁶ = 212054851 is a prime.

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, 1115984 + ... + 1116173.

It is an arithmetic number, because the mean of its divisors is an integer number (33482370).

Almost surely, 2^212054915 is an apocalyptic number.

212054915 is a deficient number, since it is larger than the sum of its proper divisors (55804045).

212054915 is a wasteful number, since it uses less digits than its factorization.

212054915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232181.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 212054915 is about 14562.1054452988. The cubic root of 212054915 is about 596.3246761449.

The spelling of 212054915 in words is "two hundred twelve million, fifty-four thousand, nine hundred fifteen".