12013312023020 has 96 divisors (see below), whose sum is σ = 31454080068096. Its totient is φ = 3744284544000.

The previous prime is 12013312023017. The next prime is 12013312023061. The reversal of 12013312023020 is 2032021331021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12013312022983 and 12013312023001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53422820 + ... + 53647220.

It is an arithmetic number, because the mean of its divisors is an integer number (327646667376).

Almost surely, 2^{12013312023020} is an apocalyptic number.

12013312023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013312023020 is an abundant number, since it is smaller than the sum of its proper divisors (19440768045076).

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

12013312023020 is a wasteful number, since it uses less digits than its factorization.

12013312023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259191 (or 259189 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12013312023020 its reverse (2032021331021), we get a palindrome (14045333354041).

The spelling of 12013312023020 in words is "twelve trillion, thirteen billion, three hundred twelve million, twenty-three thousand, twenty".