12454921146 has 16 divisors (see below), whose sum is σ = 24940567008. Its totient is φ = 4146519600.

The previous prime is 12454921103. The next prime is 12454921169. The reversal of 12454921146 is 64112945421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1274925 + ... + 1284656.

It is an arithmetic number, because the mean of its divisors is an integer number (1558785438).

Almost surely, 2^12454921146 is an apocalyptic number.

12454921146 is an abundant number, since it is smaller than the sum of its proper divisors (12485645862).

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

12454921146 is a wasteful number, since it uses less digits than its factorization.

12454921146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560397.

The product of its digits is 69120, while the sum is 39.

The spelling of 12454921146 in words is "twelve billion, four hundred fifty-four million, nine hundred twenty-one thousand, one hundred forty-six".