212312220130 has 8 divisors (see below), whose sum is σ = 382161996252. Its totient is φ = 84924888048.

The previous prime is 212312220079. The next prime is 212312220161. The reversal of 212312220130 is 31022213212.

It can be written as a sum of positive squares in 2 ways, for example, as 210681918001 + 1630302129 = 459001^2 + 40377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 212312220098 and 212312220107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10615610997 + ... + 10615611016.

Almost surely, 2^212312220130 is an apocalyptic number.

212312220130 is a deficient number, since it is larger than the sum of its proper divisors (169849776122).

212312220130 is a wasteful number, since it uses less digits than its factorization.

212312220130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21231222020.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212312220130 its reverse (31022213212), we get a palindrome (243334433342).

The spelling of 212312220130 in words is "two hundred twelve billion, three hundred twelve million, two hundred twenty thousand, one hundred thirty".