123012240124247 has 2 divisors, whose sum is σ = 123012240124248. Its totient is φ = 123012240124246.

The previous prime is 123012240124183. The next prime is 123012240124271. The reversal of 123012240124247 is 742421042210321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123012240124247 - 2⁶ = 123012240124183 is a prime.

It is a super-2 number, since 2×123012240124247² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123012240124747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61506120062123 + 61506120062124.

It is an arithmetic number, because the mean of its divisors is an integer number (61506120062124).

Almost surely, 2^{123012240124247} is an apocalyptic number.

123012240124247 is a deficient number, since it is larger than the sum of its proper divisors (1).

123012240124247 is an equidigital number, since it uses as much as digits as its factorization.

123012240124247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

Adding to 123012240124247 its reverse (742421042210321), we get a palindrome (865433282334568).

The spelling of 123012240124247 in words is "one hundred twenty-three trillion, twelve billion, two hundred forty million, one hundred twenty-four thousand, two hundred forty-seven".