212153162 has 16 divisors (see below), whose sum is σ = 346246152. Its totient is φ = 96906240.

The previous prime is 212153141. The next prime is 212153167. The reversal of 212153162 is 261351212.

It can be written as a sum of positive squares in 4 ways, for example, as 75707401 + 136445761 = 8701^2 + 11681^2 .

It is not an unprimeable number, because it can be changed into a prime (212153167) 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 7 ways as a sum of consecutive naturals, for example, 39539 + ... + 44582.

Almost surely, 2^212153162 is an apocalyptic number.

212153162 is a deficient number, since it is larger than the sum of its proper divisors (134092990).

212153162 is a wasteful number, since it uses less digits than its factorization.

212153162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84233.

The product of its digits is 720, while the sum is 23.

The square root of 212153162 is about 14565.4784336114. The cubic root of 212153162 is about 596.4167561686.

The spelling of 212153162 in words is "two hundred twelve million, one hundred fifty-three thousand, one hundred sixty-two".