12014415620621 has 4 divisors (see below), whose sum is σ = 12018913719744. Its totient is φ = 12009917521500.

The previous prime is 12014415620539. The next prime is 12014415620639. The reversal of 12014415620621 is 12602651441021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12014415620621 - 2¹⁰ = 12014415619597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12014415620021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249045555 + ... + 2249050896.

It is an arithmetic number, because the mean of its divisors is an integer number (3004728429936).

Almost surely, 2^{12014415620621} is an apocalyptic number.

It is an amenable number.

12014415620621 is a deficient number, since it is larger than the sum of its proper divisors (4498099123).

12014415620621 is an equidigital number, since it uses as much as digits as its factorization.

12014415620621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498099122.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 12014415620621 in words is "twelve trillion, fourteen billion, four hundred fifteen million, six hundred twenty thousand, six hundred twenty-one".