12020001299980 has 24 divisors (see below), whose sum is σ = 25252604259120. Its totient is φ = 4805981181120.

The previous prime is 12020001299953. The next prime is 12020001299981. The reversal of 12020001299980 is 8999210002021.

It is not an unprimeable number, because it can be changed into a prime (12020001299981) 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, 126159870 + ... + 126255109.

It is an arithmetic number, because the mean of its divisors is an integer number (1052191844130).

Almost surely, 2^{12020001299980} is an apocalyptic number.

12020001299980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020001299980 is an abundant number, since it is smaller than the sum of its proper divisors (13232602959140).

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

12020001299980 is a wasteful number, since it uses less digits than its factorization.

12020001299980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252417369 (or 252417367 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 12020001299980 in words is "twelve trillion, twenty billion, one million, two hundred ninety-nine thousand, nine hundred eighty".