12013021013 has 8 divisors (see below), whose sum is σ = 13768062528. Its totient is φ = 10267703424.

The previous prime is 12013021001. The next prime is 12013021037. The reversal of 12013021013 is 31012031021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013021013 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 (12013021043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428331 + ... + 2433272.

It is an arithmetic number, because the mean of its divisors is an integer number (1721007816).

Almost surely, 2^12013021013 is an apocalyptic number.

It is an amenable number.

12013021013 is a deficient number, since it is larger than the sum of its proper divisors (1755041515).

12013021013 is an equidigital number, since it uses as much as digits as its factorization.

12013021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861963.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12013021013 its reverse (31012031021), we get a palindrome (43025052034).

The spelling of 12013021013 in words is "twelve billion, thirteen million, twenty-one thousand, thirteen".