1013012200 has 24 divisors (see below), whose sum is σ = 2355253830. Its totient is φ = 405204800.

The previous prime is 1013012191. The next prime is 1013012263. The reversal of 1013012200 is 22103101.

1013012200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 644448996 + 368563204 = 25386^2 + 19198^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2532331 + ... + 2532730.

Almost surely, 2^1013012200 is an apocalyptic number.

1013012200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013012200 is an abundant number, since it is smaller than the sum of its proper divisors (1342241630).

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

1013012200 is a wasteful number, since it uses less digits than its factorization.

1013012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065077 (or 5065068 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1013012200 is about 31827.8525822902. The cubic root of 1013012200 is about 1004.3187217921.

Adding to 1013012200 its reverse (22103101), we get a palindrome (1035115301).

Subtracting from 1013012200 its reverse (22103101), we obtain a palindrome (990909099).

The spelling of 1013012200 in words is "one billion, thirteen million, twelve thousand, two hundred".