212014142 has 4 divisors (see below), whose sum is σ = 318021216. Its totient is φ = 106007070.

The previous prime is 212014111. The next prime is 212014147. The reversal of 212014142 is 241410212.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212014142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212014147) by changing a digit.

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 as a sum of consecutive naturals, namely, 53003534 + ... + 53003537.

It is an arithmetic number, because the mean of its divisors is an integer number (79505304).

Almost surely, 2^212014142 is an apocalyptic number.

212014142 is a deficient number, since it is larger than the sum of its proper divisors (106007074).

212014142 is a wasteful number, since it uses less digits than its factorization.

212014142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106007073.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 212014142 is about 14560.7054087362. The cubic root of 212014142 is about 596.2864541203.

Adding to 212014142 its reverse (241410212), we get a palindrome (453424354).

The spelling of 212014142 in words is "two hundred twelve million, fourteen thousand, one hundred forty-two".