212154032 has 20 divisors (see below), whose sum is σ = 414009960. Its totient is φ = 105312768.

The previous prime is 212154031. The next prime is 212154043. The reversal of 212154032 is 230451212.

It is a junction number, because it is equal to n+sod(n) for n = 212153995 and 212154013.

It is not an unprimeable number, because it can be changed into a prime (212154031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45473 + ... + 49920.

It is an arithmetic number, because the mean of its divisors is an integer number (20700498).

Almost surely, 2^212154032 is an apocalyptic number.

It is an amenable number.

212154032 is a deficient number, since it is larger than the sum of its proper divisors (201855928).

212154032 is a wasteful number, since it uses less digits than its factorization.

212154032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95540 (or 95534 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 212154032 is about 14565.5082987172. The cubic root of 212154032 is about 596.4175714316.

The spelling of 212154032 in words is "two hundred twelve million, one hundred fifty-four thousand, thirty-two".