1231300112 has 40 divisors (see below), whose sum is σ = 2728099200. Its totient is φ = 527380992.

The previous prime is 1231300099. The next prime is 1231300117. The reversal of 1231300112 is 2110031321.

It is a super-2 number, since 2×1231300112² = 3032199931622425088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1231300117) 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, 344189 + ... + 347747.

It is an arithmetic number, because the mean of its divisors is an integer number (68202480).

Almost surely, 2^1231300112 is an apocalyptic number.

It is an amenable number.

1231300112 is an abundant number, since it is smaller than the sum of its proper divisors (1496799088).

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

1231300112 is a wasteful number, since it uses less digits than its factorization.

1231300112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6663 (or 6657 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1231300112 is about 35089.8861782138. The cubic root of 1231300112 is about 1071.8186418158.

Adding to 1231300112 its reverse (2110031321), we get a palindrome (3341331433).

The spelling of 1231300112 in words is "one billion, two hundred thirty-one million, three hundred thousand, one hundred twelve".