12020120149 has 2 divisors, whose sum is σ = 12020120150. Its totient is φ = 12020120148.

The previous prime is 12020120093. The next prime is 12020120153. The reversal of 12020120149 is 94102102021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10278309924 + 1741810225 = 101382^2 + 41735^2 .

It is a cyclic number.

It is not a de Polignac number, because 12020120149 - 2²⁷ = 11885902421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020120159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010060074 + 6010060075.

It is an arithmetic number, because the mean of its divisors is an integer number (6010060075).

Almost surely, 2^12020120149 is an apocalyptic number.

It is an amenable number.

12020120149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020120149 is an equidigital number, since it uses as much as digits as its factorization.

12020120149 is an evil number, because the sum of its binary digits is even.

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

The spelling of 12020120149 in words is "twelve billion, twenty million, one hundred twenty thousand, one hundred forty-nine".