12125451451211 has 64 divisors (see below), whose sum is σ = 14992357754880. Its totient is φ = 9577051545600.

The previous prime is 12125451451189. The next prime is 12125451451229. The reversal of 12125451451211 is 11215415452121.

It is not a de Polignac number, because 12125451451211 - 2¹⁴ = 12125451434827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12125451451291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7452642980 + ... + 7452644606.

It is an arithmetic number, because the mean of its divisors is an integer number (234255589920).

Almost surely, 2^{12125451451211} is an apocalyptic number.

12125451451211 is a deficient number, since it is larger than the sum of its proper divisors (2866906303669).

12125451451211 is a wasteful number, since it uses less digits than its factorization.

12125451451211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its digits is 16000, while the sum is 35.

The spelling of 12125451451211 in words is "twelve trillion, one hundred twenty-five billion, four hundred fifty-one million, four hundred fifty-one thousand, two hundred eleven".