8019123013 has 16 divisors (see below), whose sum is σ = 8914018752. Its totient is φ = 7152480000.

The previous prime is 8019123011. The next prime is 8019123037. The reversal of 8019123013 is 3103219108.

It is a cyclic number.

It is not a de Polignac number, because 8019123013 - 2¹ = 8019123011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8019123011) 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, 254170 + ... + 283972.

It is an arithmetic number, because the mean of its divisors is an integer number (557126172).

Almost surely, 2^8019123013 is an apocalyptic number.

It is an amenable number.

8019123013 is a deficient number, since it is larger than the sum of its proper divisors (894895739).

8019123013 is a wasteful number, since it uses less digits than its factorization.

8019123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30276.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 8019123013 is about 89549.5561853882. The cubic root of 8019123013 is about 2001.5923163446.

The spelling of 8019123013 in words is "eight billion, nineteen million, one hundred twenty-three thousand, thirteen".