123012242101025 has 12 divisors (see below), whose sum is σ = 152539007926272. Its totient is φ = 98407324183440.

The previous prime is 123012242101009. The next prime is 123012242101031. The reversal of 123012242101025 is 520101242210321.

It is not a de Polignac number, because 123012242101025 - 2⁴ = 123012242101009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123012242100985 and 123012242101003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60720929 + ... + 62714078.

It is an arithmetic number, because the mean of its divisors is an integer number (12711583993856).

Almost surely, 2^{123012242101025} is an apocalyptic number.

It is an amenable number.

123012242101025 is a deficient number, since it is larger than the sum of its proper divisors (29526765825247).

123012242101025 is a wasteful number, since it uses less digits than its factorization.

123012242101025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123474880 (or 123474875 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 123012242101025 its reverse (520101242210321), we get a palindrome (643113484311346).

The spelling of 123012242101025 in words is "one hundred twenty-three trillion, twelve billion, two hundred forty-two million, one hundred one thousand, twenty-five".