212201312130 has 24 divisors (see below), whose sum is σ = 551723411772. Its totient is φ = 56587016544.

The previous prime is 212201312123. The next prime is 212201312143. The reversal of 212201312130 is 31213102212.

212201312130 is a `hidden beast` number, since 2 + 1 + 220 + 1 + 312 + 130 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 184502034369 + 27699277761 = 429537^2 + 166431^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1178896089 + ... + 1178896268.

Almost surely, 2^212201312130 is an apocalyptic number.

212201312130 is an abundant number, since it is smaller than the sum of its proper divisors (339522099642).

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

212201312130 is a wasteful number, since it uses less digits than its factorization.

212201312130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357792370 (or 2357792367 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212201312130 its reverse (31213102212), we get a palindrome (243414414342).

The spelling of 212201312130 in words is "two hundred twelve billion, two hundred one million, three hundred twelve thousand, one hundred thirty".