12021800277013 has 16 divisors (see below), whose sum is σ = 12282326312256. Its totient is φ = 11762537529600.

The previous prime is 12021800276957. The next prime is 12021800277083. The reversal of 12021800277013 is 31077200812021.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12021800277013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12021800277013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021800277083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85005106 + ... + 85146412.

It is an arithmetic number, because the mean of its divisors is an integer number (767645394516).

Almost surely, 2^{12021800277013} is an apocalyptic number.

It is an amenable number.

12021800277013 is a deficient number, since it is larger than the sum of its proper divisors (260526035243).

12021800277013 is a wasteful number, since it uses less digits than its factorization.

12021800277013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145764.

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 12021800277013 in words is "twelve trillion, twenty-one billion, eight hundred million, two hundred seventy-seven thousand, thirteen".