12025659021879 has 16 divisors (see below), whose sum is σ = 16141674555104. Its totient is φ = 7963500441600.

The previous prime is 12025659021853. The next prime is 12025659021977. The reversal of 12025659021879 is 97812095652021.

It is not a de Polignac number, because 12025659021879 - 2⁵ = 12025659021847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12025659021479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15328102 + ... + 16093539.

It is an arithmetic number, because the mean of its divisors is an integer number (1008854659694).

Almost surely, 2^{12025659021879} is an apocalyptic number.

12025659021879 is a deficient number, since it is larger than the sum of its proper divisors (4116015533225).

12025659021879 is a wasteful number, since it uses less digits than its factorization.

12025659021879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31422498.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 12025659021879 in words is "twelve trillion, twenty-five billion, six hundred fifty-nine million, twenty-one thousand, eight hundred seventy-nine".