12420402201420 has 96 divisors (see below), whose sum is σ = 35117848077312. Its totient is φ = 3279663191808.

The previous prime is 12420402201331. The next prime is 12420402201463. The reversal of 12420402201420 is 2410220402421.

It is a happy number.

12420402201420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75641529 + ... + 75805551.

It is an arithmetic number, because the mean of its divisors is an integer number (365810917472).

Almost surely, 2^{12420402201420} is an apocalyptic number.

12420402201420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12420402201420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17558924038656).

12420402201420 is an abundant number, since it is smaller than the sum of its proper divisors (22697445875892).

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

12420402201420 is a wasteful number, since it uses less digits than its factorization.

12420402201420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176391 (or 176389 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12420402201420 its reverse (2410220402421), we get a palindrome (14830622603841).

The spelling of 12420402201420 in words is "twelve trillion, four hundred twenty billion, four hundred two million, two hundred one thousand, four hundred twenty".