212344142 has 8 divisors (see below), whose sum is σ = 332364816. Its totient is φ = 101555872.

The previous prime is 212344103. The next prime is 212344151. The reversal of 212344142 is 241443212.

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

It is a super-3 number, since 3×212344142³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 2308043 + ... + 2308134.

It is an arithmetic number, because the mean of its divisors is an integer number (41545602).

Almost surely, 2^212344142 is an apocalyptic number.

212344142 is a deficient number, since it is larger than the sum of its proper divisors (120020674).

212344142 is a wasteful number, since it uses less digits than its factorization.

212344142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616202.

The product of its digits is 1536, while the sum is 23.

The square root of 212344142 is about 14572.0328712229. The cubic root of 212344142 is about 596.5956670232.

Adding to 212344142 its reverse (241443212), we get a palindrome (453787354).

The spelling of 212344142 in words is "two hundred twelve million, three hundred forty-four thousand, one hundred forty-two".