12451199692 has 6 divisors (see below), whose sum is σ = 21789599468. Its totient is φ = 6225599844.

The previous prime is 12451199671. The next prime is 12451199699. The reversal of 12451199692 is 29699115421.

It is a happy number.

12451199692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12451199699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556399958 + ... + 1556399965.

Almost surely, 2^12451199692 is an apocalyptic number.

It is an amenable number.

12451199692 is a deficient number, since it is larger than the sum of its proper divisors (9338399776).

12451199692 is a wasteful number, since it uses less digits than its factorization.

12451199692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112799927 (or 3112799925 counting only the distinct ones).

The product of its digits is 349920, while the sum is 49.

The spelling of 12451199692 in words is "twelve billion, four hundred fifty-one million, one hundred ninety-nine thousand, six hundred ninety-two".