12133169450 has 24 divisors (see below), whose sum is σ = 23895208332. Its totient is φ = 4567781120.

The previous prime is 12133169441. The next prime is 12133169539. The reversal of 12133169450 is 5496133121.

12133169450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5776456009 + 6356713441 = 76003^2 + 79729^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12133169450.

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 11 ways as a sum of consecutive naturals, for example, 7136309 + ... + 7138008.

Almost surely, 2^12133169450 is an apocalyptic number.

12133169450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12133169450 is a deficient number, since it is larger than the sum of its proper divisors (11762038882).

12133169450 is a wasteful number, since it uses less digits than its factorization.

12133169450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14274346 (or 14274341 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 12133169450 in words is "twelve billion, one hundred thirty-three million, one hundred sixty-nine thousand, four hundred fifty".