212120230142 has 64 divisors (see below), whose sum is σ = 336822727680. Its totient is φ = 100088419200.

The previous prime is 212120230117. The next prime is 212120230163. The reversal of 212120230142 is 241032021212.

212120230142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166107608 + ... + 166108884.

It is an arithmetic number, because the mean of its divisors is an integer number (5262855120).

Almost surely, 2^212120230142 is an apocalyptic number.

212120230142 is a deficient number, since it is larger than the sum of its proper divisors (124702497538).

212120230142 is a wasteful number, since it uses less digits than its factorization.

212120230142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212120230142 its reverse (241032021212), we get a palindrome (453152251354).

The spelling of 212120230142 in words is "two hundred twelve billion, one hundred twenty million, two hundred thirty thousand, one hundred forty-two".