12013022310020 has 24 divisors (see below), whose sum is σ = 25252055362968. Its totient is φ = 4800502540800.

The previous prime is 12013022310019. The next prime is 12013022310031. The reversal of 12013022310020 is 2001322031021.

It can be written as a sum of positive squares in 4 ways, for example, as 1931482889284 + 10081539420736 = 1389778^2 + 3175144^2 .

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, 294128021 + ... + 294168860.

It is an arithmetic number, because the mean of its divisors is an integer number (1052168973457).

Almost surely, 2^{12013022310020} is an apocalyptic number.

12013022310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013022310020 is an abundant number, since it is smaller than the sum of its proper divisors (13239033052948).

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

12013022310020 is a wasteful number, since it uses less digits than its factorization.

12013022310020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588297911 (or 588297909 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12013022310020 its reverse (2001322031021), we get a palindrome (14014344341041).

The spelling of 12013022310020 in words is "twelve trillion, thirteen billion, twenty-two million, three hundred ten thousand, twenty".