1203215013 has 64 divisors (see below), whose sum is σ = 2393395200. Its totient is φ = 576953280.

The previous prime is 1203215003. The next prime is 1203215113. The reversal of 1203215013 is 3105123021.

It is not a de Polignac number, because 1203215013 - 2⁸ = 1203214757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203215003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4768 + ... + 49286.

It is an arithmetic number, because the mean of its divisors is an integer number (37396800).

Almost surely, 2^1203215013 is an apocalyptic number.

1203215013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1203215013 is a deficient number, since it is larger than the sum of its proper divisors (1190180187).

1203215013 is a wasteful number, since it uses less digits than its factorization.

1203215013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44559 (or 44553 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1203215013 is about 34687.3898268521. The cubic root of 1203215013 is about 1063.6067398898.

Adding to 1203215013 its reverse (3105123021), we get a palindrome (4308338034).

The spelling of 1203215013 in words is "one billion, two hundred three million, two hundred fifteen thousand, thirteen".