501132123340207 has 2 divisors, whose sum is σ = 501132123340208. Its totient is φ = 501132123340206.

The previous prime is 501132123340171. The next prime is 501132123340267. The reversal of 501132123340207 is 702043321231105.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501132123340207 is a prime.

It is a super-2 number, since 2×501132123340207² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (501132123340267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250566061670103 + 250566061670104.

It is an arithmetic number, because the mean of its divisors is an integer number (250566061670104).

Almost surely, 2^{501132123340207} is an apocalyptic number.

501132123340207 is a deficient number, since it is larger than the sum of its proper divisors (1).

501132123340207 is an equidigital number, since it uses as much as digits as its factorization.

501132123340207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 501132123340207 in words is "five hundred one trillion, one hundred thirty-two billion, one hundred twenty-three million, three hundred forty thousand, two hundred seven".