212303111130 has 128 divisors (see below), whose sum is σ = 619381728000. Its totient is φ = 51319699200.

The previous prime is 212303111129. The next prime is 212303111149. The reversal of 212303111130 is 31111303212.

212303111130 is a `hidden beast` number, since 212 + 30 + 311 + 113 + 0 = 666.

It is a super-2 number, since 2×212303111130² (a number of 23 digits) contains 22 as substring.

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, 934120 + ... + 1138940.

It is an arithmetic number, because the mean of its divisors is an integer number (4838919750).

Almost surely, 2^212303111130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212303111130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309690864000).

212303111130 is an abundant number, since it is smaller than the sum of its proper divisors (407078616870).

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

212303111130 is a wasteful number, since it uses less digits than its factorization.

212303111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205197 (or 205191 counting only the distinct ones).

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

Adding to 212303111130 its reverse (31111303212), we get a palindrome (243414414342).

The spelling of 212303111130 in words is "two hundred twelve billion, three hundred three million, one hundred eleven thousand, one hundred thirty".