12099961451 has 8 divisors (see below), whose sum is σ = 12551985600. Its totient is φ = 11655408960.

The previous prime is 12099961439. The next prime is 12099961457. The reversal of 12099961451 is 15416999021.

12099961451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12099961451 - 2³⁰ = 11026219627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12099961396 and 12099961405.

It is not an unprimeable number, because it can be changed into a prime (12099961457) 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 in 7 ways as a sum of consecutive naturals, for example, 1864616 + ... + 1871093.

It is an arithmetic number, because the mean of its divisors is an integer number (1568998200).

Almost surely, 2^12099961451 is an apocalyptic number.

12099961451 is a deficient number, since it is larger than the sum of its proper divisors (452024149).

12099961451 is an equidigital number, since it uses as much as digits as its factorization.

12099961451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735829.

The product of its (nonzero) digits is 174960, while the sum is 47.

The spelling of 12099961451 in words is "twelve billion, ninety-nine million, nine hundred sixty-one thousand, four hundred fifty-one".