12999121352 has 32 divisors (see below), whose sum is σ = 27980198400. Its totient is φ = 5546064384.

The previous prime is 12999121313. The next prime is 12999121363. The reversal of 12999121352 is 25312199921.

12999121352 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 7 ways as a sum of consecutive naturals, for example, 507977 + ... + 532952.

It is an arithmetic number, because the mean of its divisors is an integer number (874381200).

Almost surely, 2^12999121352 is an apocalyptic number.

It is an amenable number.

12999121352 is an abundant number, since it is smaller than the sum of its proper divisors (14981077048).

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

12999121352 is a wasteful number, since it uses less digits than its factorization.

12999121352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041165 (or 1041161 counting only the distinct ones).

The product of its digits is 87480, while the sum is 44.

The spelling of 12999121352 in words is "twelve billion, nine hundred ninety-nine million, one hundred twenty-one thousand, three hundred fifty-two".