1301231112 has 32 divisors (see below), whose sum is σ = 3424293600. Its totient is φ = 410914944.

The previous prime is 1301231111. The next prime is 1301231149. The reversal of 1301231112 is 2111321031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1301231091 and 1301231100.

It is not an unprimeable number, because it can be changed into a prime (1301231111) 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, 1426333 + ... + 1427244.

It is an arithmetic number, because the mean of its divisors is an integer number (107009175).

Almost surely, 2^1301231112 is an apocalyptic number.

1301231112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301231112 is an abundant number, since it is smaller than the sum of its proper divisors (2123062488).

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

1301231112 is a wasteful number, since it uses less digits than its factorization.

1301231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2853605 (or 2853601 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1301231112 is about 36072.5811663097. The cubic root of 1301231112 is about 1091.7372940754.

Adding to 1301231112 its reverse (2111321031), we get a palindrome (3412552143).

The spelling of 1301231112 in words is "one billion, three hundred one million, two hundred thirty-one thousand, one hundred twelve".