12100220401420 has 24 divisors (see below), whose sum is σ = 25841148656400. Its totient is φ = 4758052767552.

The previous prime is 12100220401417. The next prime is 12100220401421. The reversal of 12100220401420 is 2410402200121.

It is not an unprimeable number, because it can be changed into a prime (12100220401421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5127210855 + ... + 5127213214.

It is an arithmetic number, because the mean of its divisors is an integer number (1076714527350).

Almost surely, 2^{12100220401420} is an apocalyptic number.

12100220401420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100220401420 is an abundant number, since it is smaller than the sum of its proper divisors (13740928254980).

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

12100220401420 is a wasteful number, since it uses less digits than its factorization.

12100220401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10254424137 (or 10254424135 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12100220401420 its reverse (2410402200121), we get a palindrome (14510622601541).

The spelling of 12100220401420 in words is "twelve trillion, one hundred billion, two hundred twenty million, four hundred one thousand, four hundred twenty".