12402100120 has 64 divisors (see below), whose sum is σ = 28282335840. Its totient is φ = 4894156800.

The previous prime is 12402100103. The next prime is 12402100121. The reversal of 12402100120 is 2100120421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12402100120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402100121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899680 + ... + 913360.

Almost surely, 2^12402100120 is an apocalyptic number.

12402100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12402100120 is an abundant number, since it is smaller than the sum of its proper divisors (15880235720).

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

12402100120 is a wasteful number, since it uses less digits than its factorization.

12402100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13996 (or 13992 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12402100120 its reverse (2100120421), we get a palindrome (14502220541).

The spelling of 12402100120 in words is "twelve billion, four hundred two million, one hundred thousand, one hundred twenty".