13012021001004 has 24 divisors (see below), whose sum is σ = 30363798264240. Its totient is φ = 4336995201024.

The previous prime is 13012021000991. The next prime is 13012021001011. The reversal of 13012021001004 is 40010012021031.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42984469 + ... + 43286124.

It is an arithmetic number, because the mean of its divisors is an integer number (1265158261010).

Almost surely, 2^{13012021001004} is an apocalyptic number.

It is an amenable number.

13012021001004 is an abundant number, since it is smaller than the sum of its proper divisors (17351777263236).

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

13012021001004 is a wasteful number, since it uses less digits than its factorization.

13012021001004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86283169 (or 86283167 counting only the distinct ones).

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

Adding to 13012021001004 its reverse (40010012021031), we get a palindrome (53022033022035).

The spelling of 13012021001004 in words is "thirteen trillion, twelve billion, twenty-one million, one thousand, four".