212918914 has 64 divisors (see below), whose sum is σ = 379663200. Its totient is φ = 88657920.

The previous prime is 212918911. The next prime is 212918917. The reversal of 212918914 is 419819212.

It is an interprime number because it is at equal distance from previous prime (212918911) and next prime (212918917).

It can be written as a sum of positive squares in 16 ways, for example, as 779689 + 212139225 = 883^2 + 14565^2 .

It is not an unprimeable number, because it can be changed into a prime (212918911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1428912 + ... + 1429060.

Almost surely, 2^212918914 is an apocalyptic number.

212918914 is a deficient number, since it is larger than the sum of its proper divisors (166744286).

212918914 is a wasteful number, since it uses less digits than its factorization.

212918914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its digits is 10368, while the sum is 37.

The square root of 212918914 is about 14591.7412943075. The cubic root of 212918914 is about 597.1334694060.

The spelling of 212918914 in words is "two hundred twelve million, nine hundred eighteen thousand, nine hundred fourteen".