12400125051111 has 8 divisors (see below), whose sum is σ = 18895428649344. Its totient is φ = 7085785743480.

The previous prime is 12400125051107. The next prime is 12400125051131. The reversal of 12400125051111 is 11115052100421.

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

It is not a de Polignac number, because 12400125051111 - 2² = 12400125051107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400125051131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295241072625 + ... + 295241072666.

It is an arithmetic number, because the mean of its divisors is an integer number (2361928581168).

Almost surely, 2^{12400125051111} is an apocalyptic number.

12400125051111 is a deficient number, since it is larger than the sum of its proper divisors (6495303598233).

12400125051111 is an equidigital number, since it uses as much as digits as its factorization.

12400125051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590482145301.

The product of its (nonzero) digits is 400, while the sum is 24.

Adding to 12400125051111 its reverse (11115052100421), we get a palindrome (23515177151532).

The spelling of 12400125051111 in words is "twelve trillion, four hundred billion, one hundred twenty-five million, fifty-one thousand, one hundred eleven".