12126625140 has 48 divisors (see below), whose sum is σ = 38805201792. Its totient is φ = 2771799936.

The previous prime is 12126625139. The next prime is 12126625153. The reversal of 12126625140 is 4152662121.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12126625098 and 12126625107.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 14436039 + ... + 14436878.

It is an arithmetic number, because the mean of its divisors is an integer number (808441704).

Almost surely, 2^12126625140 is an apocalyptic number.

12126625140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12126625140 is an abundant number, since it is smaller than the sum of its proper divisors (26678576652).

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

12126625140 is a wasteful number, since it uses less digits than its factorization.

12126625140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28872936 (or 28872934 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 12126625140 in words is "twelve billion, one hundred twenty-six million, six hundred twenty-five thousand, one hundred forty".