123124012232225 has 6 divisors (see below), whose sum is σ = 152673775167990. Its totient is φ = 98499209785760.

The previous prime is 123124012232203. The next prime is 123124012232267. The reversal of 123124012232225 is 522232210421321.

It can be written as a sum of positive squares in 3 ways, for example, as 1072071797281 + 122051940434944 = 1035409^2 + 11047712^2 .

It is not a de Polignac number, because 123124012232225 - 2²⁴ = 123123995455009 is a prime.

It is a super-2 number, since 2×123124012232225² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123124012232191 and 123124012232200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2462480244620 + ... + 2462480244669.

It is an arithmetic number, because the mean of its divisors is an integer number (25445629194665).

Almost surely, 2^{123124012232225} is an apocalyptic number.

It is an amenable number.

123124012232225 is a deficient number, since it is larger than the sum of its proper divisors (29549762935765).

123124012232225 is an equidigital number, since it uses as much as digits as its factorization.

123124012232225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4924960489299 (or 4924960489294 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 123124012232225 its reverse (522232210421321), we get a palindrome (645356222653546).

The spelling of 123124012232225 in words is "one hundred twenty-three trillion, one hundred twenty-four billion, twelve million, two hundred thirty-two thousand, two hundred twenty-five".