12400160228020 has 24 divisors (see below), whose sum is σ = 26043547315968. Its totient is φ = 4959452503200.

The previous prime is 12400160227969. The next prime is 12400160228023. The reversal of 12400160228020 is 2082206100421.

It is a self number, because there is not a number n which added to its sum of digits gives 12400160228020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12400160228023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 38057976 + ... + 38382415.

It is an arithmetic number, because the mean of its divisors is an integer number (1085147804832).

Almost surely, 2^{12400160228020} is an apocalyptic number.

12400160228020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12400160228020 is an abundant number, since it is smaller than the sum of its proper divisors (13643387087948).

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

12400160228020 is a wasteful number, since it uses less digits than its factorization.

12400160228020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76448511 (or 76448509 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 12400160228020 its reverse (2082206100421), we get a palindrome (14482366328441).

The spelling of 12400160228020 in words is "twelve trillion, four hundred billion, one hundred sixty million, two hundred twenty-eight thousand, twenty".