212342502 has 8 divisors (see below), whose sum is σ = 424685016. Its totient is φ = 70780832.

The previous prime is 212342491. The next prime is 212342513. The reversal of 212342502 is 205243212.

It is an interprime number because it is at equal distance from previous prime (212342491) and next prime (212342513).

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

212342502 is an admirable number.

It is a congruent number.

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, 17695203 + ... + 17695214.

It is an arithmetic number, because the mean of its divisors is an integer number (53085627).

Almost surely, 2^212342502 is an apocalyptic number.

212342502 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.

212342502 is a wasteful number, since it uses less digits than its factorization.

212342502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35390422.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 212342502 is about 14571.9765989381. The cubic root of 212342502 is about 596.5941311211.

Adding to 212342502 its reverse (205243212), we get a palindrome (417585714).

The spelling of 212342502 in words is "two hundred twelve million, three hundred forty-two thousand, five hundred two".