12000421035 has 12 divisors (see below), whose sum is σ = 20800729872. Its totient is φ = 6400224528.

The previous prime is 12000421019. The next prime is 12000421061. The reversal of 12000421035 is 53012400021.

It is not a de Polignac number, because 12000421035 - 2⁴ = 12000421019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12000420999 and 12000421017.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 133337967 + ... + 133338056.

It is an arithmetic number, because the mean of its divisors is an integer number (1733394156).

Almost surely, 2^12000421035 is an apocalyptic number.

12000421035 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12000421035 is a deficient number, since it is larger than the sum of its proper divisors (8800308837).

12000421035 is a wasteful number, since it uses less digits than its factorization.

12000421035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266676034 (or 266676031 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 12000421035 its reverse (53012400021), we get a palindrome (65012821056).

The spelling of 12000421035 in words is "twelve billion, four hundred twenty-one thousand, thirty-five".