13102020012 has 96 divisors (see below), whose sum is σ = 32371799040. Its totient is φ = 4116090880.

The previous prime is 13102020011. The next prime is 13102020023. The reversal of 13102020012 is 21002020131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13102020012.

It is not an unprimeable number, because it can be changed into a prime (13102020011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8670337 + ... + 8671847.

It is an arithmetic number, because the mean of its divisors is an integer number (337206240).

Almost surely, 2^13102020012 is an apocalyptic number.

13102020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13102020012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16185899520).

13102020012 is an abundant number, since it is smaller than the sum of its proper divisors (19269779028).

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

13102020012 is a wasteful number, since it uses less digits than its factorization.

13102020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983 (or 1981 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 13102020012 its reverse (21002020131), we get a palindrome (34104040143).

The spelling of 13102020012 in words is "thirteen billion, one hundred two million, twenty thousand, twelve".