120021012149 has 2 divisors, whose sum is σ = 120021012150. Its totient is φ = 120021012148.

The previous prime is 120021012121. The next prime is 120021012227. The reversal of 120021012149 is 941210120021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108031857124 + 11989155025 = 328682^2 + 109495^2 .

It is a cyclic number.

It is not a de Polignac number, because 120021012149 - 2⁸ = 120021011893 is a prime.

It is a super-3 number, since 3×120021012149³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120021012109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010506074 + 60010506075.

It is an arithmetic number, because the mean of its divisors is an integer number (60010506075).

Almost surely, 2^120021012149 is an apocalyptic number.

It is an amenable number.

120021012149 is a deficient number, since it is larger than the sum of its proper divisors (1).

120021012149 is an equidigital number, since it uses as much as digits as its factorization.

120021012149 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 23.

The spelling of 120021012149 in words is "one hundred twenty billion, twenty-one million, twelve thousand, one hundred forty-nine".