12400367276 has 24 divisors (see below), whose sum is σ = 23682496656. Its totient is φ = 5634371520.

The previous prime is 12400367263. The next prime is 12400367279. The reversal of 12400367276 is 67276300421.

It is not an unprimeable number, because it can be changed into a prime (12400367279) 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, 65150 + ... + 170426.

It is an arithmetic number, because the mean of its divisors is an integer number (986770694).

Almost surely, 2^12400367276 is an apocalyptic number.

It is an amenable number.

12400367276 is a deficient number, since it is larger than the sum of its proper divisors (11282129380).

12400367276 is a wasteful number, since it uses less digits than its factorization.

12400367276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107969 (or 107967 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

Adding to 12400367276 its reverse (67276300421), we get a palindrome (79676667697).

The spelling of 12400367276 in words is "twelve billion, four hundred million, three hundred sixty-seven thousand, two hundred seventy-six".