210120012119489 has 2 divisors, whose sum is σ = 210120012119490. Its totient is φ = 210120012119488.

The previous prime is 210120012119477. The next prime is 210120012119533. The reversal of 210120012119489 is 984911210021012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109842620019889 + 100277392099600 = 10480583^2 + 10013860^2 .

It is a cyclic number.

It is not a de Polignac number, because 210120012119489 - 2⁴ = 210120012119473 is a prime.

It is a super-2 number, since 2×210120012119489² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210120012119429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060006059744 + 105060006059745.

It is an arithmetic number, because the mean of its divisors is an integer number (105060006059745).

Almost surely, 2^{210120012119489} is an apocalyptic number.

It is an amenable number.

210120012119489 is a deficient number, since it is larger than the sum of its proper divisors (1).

210120012119489 is an equidigital number, since it uses as much as digits as its factorization.

210120012119489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 210120012119489 in words is "two hundred ten trillion, one hundred twenty billion, twelve million, one hundred nineteen thousand, four hundred eighty-nine".