10012120001189 has 2 divisors, whose sum is σ = 10012120001190. Its totient is φ = 10012120001188.

The previous prime is 10012120001183. The next prime is 10012120001237. The reversal of 10012120001189 is 98110002121001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6514658978689 + 3497461022500 = 2552383^2 + 1870150^2 .

It is a cyclic number.

It is not a de Polignac number, because 10012120001189 - 2²⁰ = 10012118952613 is a prime.

It is a super-2 number, since 2×10012120001189² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10012120001183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006060000594 + 5006060000595.

It is an arithmetic number, because the mean of its divisors is an integer number (5006060000595).

Almost surely, 2^{10012120001189} is an apocalyptic number.

It is an amenable number.

10012120001189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012120001189 is an equidigital number, since it uses as much as digits as its factorization.

10012120001189 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 26.

The spelling of 10012120001189 in words is "ten trillion, twelve billion, one hundred twenty million, one thousand, one hundred eighty-nine".