13000120187 has 2 divisors, whose sum is σ = 13000120188. Its totient is φ = 13000120186.

The previous prime is 13000120139. The next prime is 13000120193. The reversal of 13000120187 is 78102100031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13000120187 - 2¹⁶ = 13000054651 is a prime.

It is not a weakly prime, because it can be changed into another prime (13000120117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6500060093 + 6500060094.

It is an arithmetic number, because the mean of its divisors is an integer number (6500060094).

Almost surely, 2^13000120187 is an apocalyptic number.

13000120187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13000120187 is an equidigital number, since it uses as much as digits as its factorization.

13000120187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The spelling of 13000120187 in words is "thirteen billion, one hundred twenty thousand, one hundred eighty-seven".