1240013112 has 64 divisors (see below), whose sum is σ = 3514224000. Its totient is φ = 361459584.

The previous prime is 1240013087. The next prime is 1240013123. The reversal of 1240013112 is 2113100421.

It is a junction number, because it is equal to n+sod(n) for n = 1240013091 and 1240013100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98662 + ... + 110517.

It is an arithmetic number, because the mean of its divisors is an integer number (54909750).

Almost surely, 2^1240013112 is an apocalyptic number.

1240013112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1240013112 is an abundant number, since it is smaller than the sum of its proper divisors (2274210888).

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

1240013112 is a wasteful number, since it uses less digits than its factorization.

1240013112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209220 (or 209216 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1240013112 is about 35213.8199007151. The cubic root of 1240013112 is about 1074.3408577250.

Adding to 1240013112 its reverse (2113100421), we get a palindrome (3353113533).

The spelling of 1240013112 in words is "one billion, two hundred forty million, thirteen thousand, one hundred twelve".