212320030142 has 16 divisors (see below), whose sum is σ = 349513218432. Its totient is φ = 95931204120.

The previous prime is 212320030133. The next prime is 212320030183. The reversal of 212320030142 is 241030023212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28891268 + ... + 28898615.

It is an arithmetic number, because the mean of its divisors is an integer number (21844576152).

Almost surely, 2^212320030142 is an apocalyptic number.

212320030142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212320030142 is a deficient number, since it is larger than the sum of its proper divisors (137193188290).

212320030142 is a wasteful number, since it uses less digits than its factorization.

212320030142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57790063.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212320030142 its reverse (241030023212), we get a palindrome (453350053354).

The spelling of 212320030142 in words is "two hundred twelve billion, three hundred twenty million, thirty thousand, one hundred forty-two".