12402657020 has 48 divisors (see below), whose sum is σ = 29699042688. Its totient is φ = 4310062080.

The previous prime is 12402657019. The next prime is 12402657101. The reversal of 12402657020 is 2075620421.

It is a happy number.

12402657020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1398596 + ... + 1407435.

It is an arithmetic number, because the mean of its divisors is an integer number (618730056).

Almost surely, 2^12402657020 is an apocalyptic number.

12402657020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12402657020 is an abundant number, since it is smaller than the sum of its proper divisors (17296385668).

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

12402657020 is a wasteful number, since it uses less digits than its factorization.

12402657020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806070 (or 2806068 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 12402657020 in words is "twelve billion, four hundred two million, six hundred fifty-seven thousand, twenty".