12020561014 has 64 divisors (see below), whose sum is σ = 24109954560. Its totient is φ = 4353073920.

The previous prime is 12020561011. The next prime is 12020561081. The reversal of 12020561014 is 41016502021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020561011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116322 + ... + 193834.

It is an arithmetic number, because the mean of its divisors is an integer number (376718040).

Almost surely, 2^12020561014 is an apocalyptic number.

12020561014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12020561014 is an abundant number, since it is smaller than the sum of its proper divisors (12089393546).

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

12020561014 is a wasteful number, since it uses less digits than its factorization.

12020561014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77605.

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 12020561014 in words is "twelve billion, twenty million, five hundred sixty-one thousand, fourteen".