123412134040502 has 16 divisors (see below), whose sum is σ = 186477536199600. Its totient is φ = 61252994473728.

The previous prime is 123412134040457. The next prime is 123412134040511. The reversal of 123412134040502 is 205040431214321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3470627 + ... + 16089422.

It is an arithmetic number, because the mean of its divisors is an integer number (11654846012475).

Almost surely, 2^{123412134040502} is an apocalyptic number.

123412134040502 is a deficient number, since it is larger than the sum of its proper divisors (63065402159098).

123412134040502 is a wasteful number, since it uses less digits than its factorization.

123412134040502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19583215.

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

Adding to 123412134040502 its reverse (205040431214321), we get a palindrome (328452565254823).

The spelling of 123412134040502 in words is "one hundred twenty-three trillion, four hundred twelve billion, one hundred thirty-four million, forty thousand, five hundred two".