212201321130 has 64 divisors (see below), whose sum is σ = 565914021120. Its totient is φ = 56582635968.

The previous prime is 212201321093. The next prime is 212201321147. The reversal of 212201321130 is 31123102212.

212201321130 is a `hidden beast` number, since 2 + 12 + 201 + 321 + 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 31 ways as a sum of consecutive naturals, for example, 4996264 + ... + 5038556.

It is an arithmetic number, because the mean of its divisors is an integer number (8842406580).

Almost surely, 2^212201321130 is an apocalyptic number.

212201321130 is an abundant number, since it is smaller than the sum of its proper divisors (353712699990).

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

212201321130 is a wasteful number, since it uses less digits than its factorization.

212201321130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60892 (or 60886 counting only the distinct ones).

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

Adding to 212201321130 its reverse (31123102212), we get a palindrome (243324423342).

The spelling of 212201321130 in words is "two hundred twelve billion, two hundred one million, three hundred twenty-one thousand, one hundred thirty".