1122513012 has 24 divisors (see below), whose sum is σ = 2910219200. Its totient is φ = 374170968.

The previous prime is 1122513001. The next prime is 1122513013. The reversal of 1122513012 is 2103152211.

1122513012 is a `hidden beast` number, since 112 + 251 + 301 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122513013) 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, 5196712 + ... + 5196927.

Almost surely, 2^1122513012 is an apocalyptic number.

1122513012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122513012 is an abundant number, since it is smaller than the sum of its proper divisors (1787706188).

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

1122513012 is a wasteful number, since it uses less digits than its factorization.

1122513012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10393652 (or 10393644 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1122513012 is about 33503.9253222663. The cubic root of 1122513012 is about 1039.2749544579.

Adding to 1122513012 its reverse (2103152211), we get a palindrome (3225665223).

The spelling of 1122513012 in words is "one billion, one hundred twenty-two million, five hundred thirteen thousand, twelve".