13012443003 has 16 divisors (see below), whose sum is σ = 19860641280. Its totient is φ = 7423622976.

The previous prime is 13012442959. The next prime is 13012443023. The reversal of 13012443003 is 30034421031.

It is not a de Polignac number, because 13012443003 - 2¹⁶ = 13012377467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (13012443023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489183 + ... + 515096.

It is an arithmetic number, because the mean of its divisors is an integer number (1241290080).

Almost surely, 2^13012443003 is an apocalyptic number.

13012443003 is a deficient number, since it is larger than the sum of its proper divisors (6848198277).

13012443003 is a wasteful number, since it uses less digits than its factorization.

13012443003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004906.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13012443003 its reverse (30034421031), we get a palindrome (43046864034).

The spelling of 13012443003 in words is "thirteen billion, twelve million, four hundred forty-three thousand, three".