2232130221312 has 72 divisors (see below), whose sum is σ = 6015920749440. Its totient is φ = 734625116160.

The previous prime is 2232130221301. The next prime is 2232130221319. The reversal of 2232130221312 is 2131220312322.

It is a super-3 number, since 3×2232130221312³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2232130221319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18334389 + ... + 18455732.

Almost surely, 2^{2232130221312} is an apocalyptic number.

It is an amenable number.

2232130221312 is an abundant number, since it is smaller than the sum of its proper divisors (3783790528128).

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

2232130221312 is an equidigital number, since it uses as much as digits as its factorization.

2232130221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36790219 (or 36790205 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2232130221312 its reverse (2131220312322), we get a palindrome (4363350533634).

The spelling of 2232130221312 in words is "two trillion, two hundred thirty-two billion, one hundred thirty million, two hundred twenty-one thousand, three hundred twelve".