12451402412 has 24 divisors (see below), whose sum is σ = 23300161920. Its totient is φ = 5801465600.

The previous prime is 12451402357. The next prime is 12451402417. The reversal of 12451402412 is 21420415421.

It is not an unprimeable number, because it can be changed into a prime (12451402417) 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, 899612 + ... + 913347.

It is an arithmetic number, because the mean of its divisors is an integer number (970840080).

Almost surely, 2^12451402412 is an apocalyptic number.

It is an amenable number.

12451402412 is a deficient number, since it is larger than the sum of its proper divisors (10848759508).

12451402412 is a wasteful number, since it uses less digits than its factorization.

12451402412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813081 (or 1813079 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 12451402412 its reverse (21420415421), we get a palindrome (33871817833).

The spelling of 12451402412 in words is "twelve billion, four hundred fifty-one million, four hundred two thousand, four hundred twelve".