12125404502 has 16 divisors (see below), whose sum is σ = 18386829312. Its totient is φ = 5996750760.

The previous prime is 12125404483. The next prime is 12125404517. The reversal of 12125404502 is 20540452121.

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, 11963 + ... + 156185.

It is an arithmetic number, because the mean of its divisors is an integer number (1149176832).

Almost surely, 2^12125404502 is an apocalyptic number.

12125404502 is a deficient number, since it is larger than the sum of its proper divisors (6261424810).

12125404502 is a wasteful number, since it uses less digits than its factorization.

12125404502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144683.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 12125404502 its reverse (20540452121), we get a palindrome (32665856623).

The spelling of 12125404502 in words is "twelve billion, one hundred twenty-five million, four hundred four thousand, five hundred two".