212032121130 has 96 divisors (see below), whose sum is σ = 556954444800. Its totient is φ = 55962967680.

The previous prime is 212032121107. The next prime is 212032121143. The reversal of 212032121130 is 31121230212.

212032121130 is a `hidden beast` number, since 212 + 0 + 321 + 2 + 1 + 130 = 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 47 ways as a sum of consecutive naturals, for example, 3767095 + ... + 3822965.

It is an arithmetic number, because the mean of its divisors is an integer number (5801608800).

Almost surely, 2^212032121130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212032121130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278477222400).

212032121130 is an abundant number, since it is smaller than the sum of its proper divisors (344922323670).

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

212032121130 is a wasteful number, since it uses less digits than its factorization.

212032121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56316 (or 56313 counting only the distinct ones).

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

Adding to 212032121130 its reverse (31121230212), we get a palindrome (243153351342).

The spelling of 212032121130 in words is "two hundred twelve billion, thirty-two million, one hundred twenty-one thousand, one hundred thirty".