20122123003187 has 2 divisors, whose sum is σ = 20122123003188. Its totient is φ = 20122123003186.

The previous prime is 20122123003133. The next prime is 20122123003237. The reversal of 20122123003187 is 78130032122102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20122123003187 - 2²⁶ = 20122055894323 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122123003127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061061501593 + 10061061501594.

It is an arithmetic number, because the mean of its divisors is an integer number (10061061501594).

Almost surely, 2^{20122123003187} is an apocalyptic number.

20122123003187 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122123003187 is an equidigital number, since it uses as much as digits as its factorization.

20122123003187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 20122123003187 its reverse (78130032122102), we get a palindrome (98252155125289).

The spelling of 20122123003187 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-three million, three thousand, one hundred eighty-seven".