12002021149 has 2 divisors, whose sum is σ = 12002021150. Its totient is φ = 12002021148.

The previous prime is 12002021123. The next prime is 12002021167. The reversal of 12002021149 is 94112020021.

12002021149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10361204100 + 1640817049 = 101790^2 + 40507^2 .

It is a cyclic number.

It is not a de Polignac number, because 12002021149 - 2⁵ = 12002021117 is a prime.

It is a super-2 number, since 2×12002021149² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12002021179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001010574 + 6001010575.

It is an arithmetic number, because the mean of its divisors is an integer number (6001010575).

Almost surely, 2^12002021149 is an apocalyptic number.

It is an amenable number.

12002021149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12002021149 is an equidigital number, since it uses as much as digits as its factorization.

12002021149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 12002021149 in words is "twelve billion, two million, twenty-one thousand, one hundred forty-nine".