12011412420 has 72 divisors (see below), whose sum is σ = 41639567424. Its totient is φ = 2745465408.

The previous prime is 12011412377. The next prime is 12011412451. The reversal of 12011412420 is 2421411021.

12011412420 is a `hidden beast` number, since 1 + 201 + 1 + 41 + 2 + 420 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12011412393 and 12011412402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4765174 + ... + 4767693.

Almost surely, 2^12011412420 is an apocalyptic number.

12011412420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011412420 is an abundant number, since it is smaller than the sum of its proper divisors (29628155004).

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

12011412420 is a wasteful number, since it uses less digits than its factorization.

12011412420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9532889 (or 9532884 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12011412420 its reverse (2421411021), we get a palindrome (14432823441).

The spelling of 12011412420 in words is "twelve billion, eleven million, four hundred twelve thousand, four hundred twenty".