210012342 has 16 divisors (see below), whose sum is σ = 420656880. Its totient is φ = 69898752.

The previous prime is 210012323. The next prime is 210012389. The reversal of 210012342 is 243210012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21967 + ... + 30042.

It is an arithmetic number, because the mean of its divisors is an integer number (26291055).

Almost surely, 2^210012342 is an apocalyptic number.

210012342 is an abundant number, since it is smaller than the sum of its proper divisors (210644538).

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

210012342 is a wasteful number, since it uses less digits than its factorization.

210012342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52687.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 210012342 is about 14491.8025793895. The cubic root of 210012342 is about 594.4038394743.

Adding to 210012342 its reverse (243210012), we get a palindrome (453222354).

The spelling of 210012342 in words is "two hundred ten million, twelve thousand, three hundred forty-two".