212111330130 has 128 divisors (see below), whose sum is σ = 646567004160. Its totient is φ = 48472655040.

The previous prime is 212111330111. The next prime is 212111330141. The reversal of 212111330130 is 31033111212.

212111330130 is a `hidden beast` number, since 212 + 111 + 330 + 13 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13273045 + ... + 13289015.

It is an arithmetic number, because the mean of its divisors is an integer number (5051304720).

Almost surely, 2^212111330130 is an apocalyptic number.

212111330130 is an abundant number, since it is smaller than the sum of its proper divisors (434455674030).

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

212111330130 is a wasteful number, since it uses less digits than its factorization.

212111330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23021 (or 23015 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 212111330130 its reverse (31033111212), we get a palindrome (243144441342).

The spelling of 212111330130 in words is "two hundred twelve billion, one hundred eleven million, three hundred thirty thousand, one hundred thirty".