12651201124 has 24 divisors (see below), whose sum is σ = 23037291648. Its totient is φ = 6074196960.

The previous prime is 12651201109. The next prime is 12651201127. The reversal of 12651201124 is 42110215621.

It is not an unprimeable number, because it can be changed into a prime (12651201127) 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, 624882 + ... + 644809.

It is an arithmetic number, because the mean of its divisors is an integer number (959887152).

Almost surely, 2^12651201124 is an apocalyptic number.

It is an amenable number.

12651201124 is a deficient number, since it is larger than the sum of its proper divisors (10386090524).

12651201124 is a wasteful number, since it uses less digits than its factorization.

12651201124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269795 (or 1269793 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 12651201124 its reverse (42110215621), we get a palindrome (54761416745).

The spelling of 12651201124 in words is "twelve billion, six hundred fifty-one million, two hundred one thousand, one hundred twenty-four".