212153514 has 8 divisors (see below), whose sum is σ = 424307040. Its totient is φ = 70717836.

The previous prime is 212153509. The next prime is 212153581. The reversal of 212153514 is 415351212.

It is a happy number.

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

212153514 is an admirable number.

It is a super-2 number, since 2×212153514² = 90018227005096392, which contains 22 as substring.

It is an unprimeable number.

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, 17679454 + ... + 17679465.

It is an arithmetic number, because the mean of its divisors is an integer number (53038380).

Almost surely, 2^212153514 is an apocalyptic number.

212153514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212153514 is a wasteful number, since it uses less digits than its factorization.

212153514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35358924.

The product of its digits is 1200, while the sum is 24.

The square root of 212153514 is about 14565.4905169720. The cubic root of 212153514 is about 596.4170860224.

The spelling of 212153514 in words is "two hundred twelve million, one hundred fifty-three thousand, five hundred fourteen".