12400125051106 has 8 divisors (see below), whose sum is σ = 20030971236444. Its totient is φ = 5723134638960.

The previous prime is 12400125051019. The next prime is 12400125051107. The reversal of 12400125051106 is 60115052100421.

It can be written as a sum of positive squares in 2 ways, for example, as 11513908036225 + 886217014881 = 3393215^2 + 941391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12400125051106² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12400125051107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238463943265 + ... + 238463943316.

Almost surely, 2^{12400125051106} is an apocalyptic number.

12400125051106 is a deficient number, since it is larger than the sum of its proper divisors (7630846185338).

12400125051106 is a wasteful number, since it uses less digits than its factorization.

12400125051106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476927886596.

The product of its (nonzero) digits is 2400, while the sum is 28.

Adding to 12400125051106 its reverse (60115052100421), we get a palindrome (72515177151527).

The spelling of 12400125051106 in words is "twelve trillion, four hundred billion, one hundred twenty-five million, fifty-one thousand, one hundred six".