123102012001 has 2 divisors, whose sum is σ = 123102012002. Its totient is φ = 123102012000.

The previous prime is 123102011971. The next prime is 123102012017. The reversal of 123102012001 is 100210201321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91799910225 + 31302101776 = 302985^2 + 176924^2 .

It is a cyclic number.

It is not a de Polignac number, because 123102012001 - 2⁵ = 123102011969 is a prime.

It is not a weakly prime, because it can be changed into another prime (123102012041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61551006000 + 61551006001.

It is an arithmetic number, because the mean of its divisors is an integer number (61551006001).

Almost surely, 2^123102012001 is an apocalyptic number.

It is an amenable number.

123102012001 is a deficient number, since it is larger than the sum of its proper divisors (1).

123102012001 is an equidigital number, since it uses as much as digits as its factorization.

123102012001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 123102012001 its reverse (100210201321), we get a palindrome (223312213322).

The spelling of 123102012001 in words is "one hundred twenty-three billion, one hundred two million, twelve thousand, one".