212161495 has 32 divisors (see below), whose sum is σ = 314818560. Its totient is φ = 133660800.

The previous prime is 212161471. The next prime is 212161507. The reversal of 212161495 is 594161212.

It is not a de Polignac number, because 212161495 - 2²¹ = 210064343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107770 + ... + 109720.

It is an arithmetic number, because the mean of its divisors is an integer number (9838080).

Almost surely, 2^212161495 is an apocalyptic number.

212161495 is a deficient number, since it is larger than the sum of its proper divisors (102657065).

212161495 is a wasteful number, since it uses less digits than its factorization.

212161495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215.

The product of its digits is 4320, while the sum is 31.

The square root of 212161495 is about 14565.7644838848. The cubic root of 212161495 is about 596.4245647972.

The spelling of 212161495 in words is "two hundred twelve million, one hundred sixty-one thousand, four hundred ninety-five".