12051253900 has 36 divisors (see below), whose sum is σ = 29887111408. Its totient is φ = 4131858240.

The previous prime is 12051253889. The next prime is 12051253931. The reversal of 12051253900 is 935215021.

12051253900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 8607339 + ... + 8608738.

Almost surely, 2^12051253900 is an apocalyptic number.

12051253900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12051253900 is an abundant number, since it is smaller than the sum of its proper divisors (17835857508).

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

12051253900 is a wasteful number, since it uses less digits than its factorization.

12051253900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17216098 (or 17216091 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 12051253900 its reverse (935215021), we get a palindrome (12986468921).

The spelling of 12051253900 in words is "twelve billion, fifty-one million, two hundred fifty-three thousand, nine hundred".