1230331220112 has 80 divisors (see below), whose sum is σ = 3316750892928. Its totient is φ = 392255170560.

The previous prime is 1230331220101. The next prime is 1230331220119. The reversal of 1230331220112 is 2110221330321.

It is a super-2 number, since 2×1230331220112² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230331220119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28175448 + ... + 28219080.

Almost surely, 2^{1230331220112} is an apocalyptic number.

1230331220112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230331220112 is an abundant number, since it is smaller than the sum of its proper divisors (2086419672816).

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

1230331220112 is a wasteful number, since it uses less digits than its factorization.

1230331220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69208 (or 69202 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1230331220112 its reverse (2110221330321), we get a palindrome (3340552550433).

The spelling of 1230331220112 in words is "one trillion, two hundred thirty billion, three hundred thirty-one million, two hundred twenty thousand, one hundred twelve".