212252342 has 8 divisors (see below), whose sum is σ = 318506736. Its totient is φ = 106083432.

The previous prime is 212252297. The next prime is 212252347. The reversal of 212252342 is 243252212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212252347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14753 + ... + 25340.

It is an arithmetic number, because the mean of its divisors is an integer number (39813342).

Almost surely, 2^212252342 is an apocalyptic number.

212252342 is a deficient number, since it is larger than the sum of its proper divisors (106254394).

212252342 is a wasteful number, since it uses less digits than its factorization.

212252342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42742.

The product of its digits is 1920, while the sum is 23.

The square root of 212252342 is about 14568.8826613437. The cubic root of 212252342 is about 596.5096817982.

The spelling of 212252342 in words is "two hundred twelve million, two hundred fifty-two thousand, three hundred forty-two".