12099999954 has 32 divisors (see below), whose sum is σ = 27682459776. Its totient is φ = 3453978240.

The previous prime is 12099999937. The next prime is 12099999979. The reversal of 12099999954 is 45999999021.

12099999954 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 85237 + ... + 177384.

It is an arithmetic number, because the mean of its divisors is an integer number (865076868).

Almost surely, 2^12099999954 is an apocalyptic number.

12099999954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12099999954 is an abundant number, since it is smaller than the sum of its proper divisors (15582459822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12099999954 is a wasteful number, since it uses less digits than its factorization.

12099999954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263730.

The product of its (nonzero) digits is 21257640, while the sum is 66.

The spelling of 12099999954 in words is "twelve billion, ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-four".