14012021121961 has 2 divisors, whose sum is σ = 14012021121962. Its totient is φ = 14012021121960.

The previous prime is 14012021121893. The next prime is 14012021122027. The reversal of 14012021121961 is 16912112021041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11503459305625 + 2508561816336 = 3391675^2 + 1583844^2 .

It is a cyclic number.

It is not a de Polignac number, because 14012021121961 - 2²⁹ = 14011484251049 is a prime.

It is not a weakly prime, because it can be changed into another prime (14012021124961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7006010560980 + 7006010560981.

It is an arithmetic number, because the mean of its divisors is an integer number (7006010560981).

Almost surely, 2^{14012021121961} is an apocalyptic number.

It is an amenable number.

14012021121961 is a deficient number, since it is larger than the sum of its proper divisors (1).

14012021121961 is an equidigital number, since it uses as much as digits as its factorization.

14012021121961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 14012021121961 in words is "fourteen trillion, twelve billion, twenty-one million, one hundred twenty-one thousand, nine hundred sixty-one".