12214891541 has 2 divisors, whose sum is σ = 12214891542. Its totient is φ = 12214891540.

The previous prime is 12214891501. The next prime is 12214891567. The reversal of 12214891541 is 14519841221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12214891441 + 100 = 110521^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 12214891541 - 2²² = 12210697237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12214891495 and 12214891504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12214891501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107445770 + 6107445771.

It is an arithmetic number, because the mean of its divisors is an integer number (6107445771).

Almost surely, 2^12214891541 is an apocalyptic number.

It is an amenable number.

12214891541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214891541 is an equidigital number, since it uses as much as digits as its factorization.

12214891541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 38.

The spelling of 12214891541 in words is "twelve billion, two hundred fourteen million, eight hundred ninety-one thousand, five hundred forty-one".