212231403422130 has 32 divisors (see below), whose sum is σ = 510625581130368. Its totient is φ = 56453906144000.

The previous prime is 212231403422107. The next prime is 212231403422141. The reversal of 212231403422130 is 31224304132212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8820910806 + ... + 8820934865.

It is an arithmetic number, because the mean of its divisors is an integer number (15957049410324).

Almost surely, 2^{212231403422130} is an apocalyptic number.

212231403422130 is an abundant number, since it is smaller than the sum of its proper divisors (298394177708238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212231403422130 is a wasteful number, since it uses less digits than its factorization.

212231403422130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17641846082.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 212231403422130 its reverse (31224304132212), we get a palindrome (243455707554342).

The spelling of 212231403422130 in words is "two hundred twelve trillion, two hundred thirty-one billion, four hundred three million, four hundred twenty-two thousand, one hundred thirty".