212331231130 has 16 divisors (see below), whose sum is σ = 386490557160. Its totient is φ = 83978194432.

The previous prime is 212331231113. The next prime is 212331231149. The reversal of 212331231130 is 31132133212.

It can be written as a sum of positive squares in 4 ways, for example, as 74402927361 + 137928303769 = 272769^2 + 371387^2 .

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, 119286319 + ... + 119288098.

Almost surely, 2^212331231130 is an apocalyptic number.

212331231130 is a deficient number, since it is larger than the sum of its proper divisors (174159326030).

212331231130 is a wasteful number, since it uses less digits than its factorization.

212331231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238574513.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 212331231130 its reverse (31132133212), we get a palindrome (243463364342).

The spelling of 212331231130 in words is "two hundred twelve billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty".