12020010187 has 2 divisors, whose sum is σ = 12020010188. Its totient is φ = 12020010186.

The previous prime is 12020010173. The next prime is 12020010209. The reversal of 12020010187 is 78101002021.

It is an a-pointer prime, because the next prime (12020010209) can be obtained adding 12020010187 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020010187 - 2²³ = 12011621579 is a prime.

It is not a weakly prime, because it can be changed into another prime (12020010137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010005093 + 6010005094.

It is an arithmetic number, because the mean of its divisors is an integer number (6010005094).

Almost surely, 2^12020010187 is an apocalyptic number.

12020010187 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020010187 is an equidigital number, since it uses as much as digits as its factorization.

12020010187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

The spelling of 12020010187 in words is "twelve billion, twenty million, ten thousand, one hundred eighty-seven".