212055154 has 8 divisors (see below), whose sum is σ = 323297388. Its totient is φ = 104289360.

The previous prime is 212055149. The next prime is 212055167. The reversal of 212055154 is 451550212.

212055154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184334929 + 27720225 = 13577^2 + 5265^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868957 + ... + 869200.

Almost surely, 2^212055154 is an apocalyptic number.

212055154 is a deficient number, since it is larger than the sum of its proper divisors (111242234).

212055154 is a wasteful number, since it uses less digits than its factorization.

212055154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738220.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 212055154 is about 14562.1136515274. The cubic root of 212055154 is about 596.3249001774.

The spelling of 212055154 in words is "two hundred twelve million, fifty-five thousand, one hundred fifty-four".