12421434000 has 80 divisors (see below), whose sum is σ = 40046722560. Its totient is φ = 3312380800.

The previous prime is 12421433993. The next prime is 12421434031. The reversal of 12421434000 is 43412421.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029120 + ... + 1041119.

It is an arithmetic number, because the mean of its divisors is an integer number (500584032).

Almost surely, 2^12421434000 is an apocalyptic number.

12421434000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12421434000 is an abundant number, since it is smaller than the sum of its proper divisors (27625288560).

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

12421434000 is a wasteful number, since it uses less digits than its factorization.

12421434000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070265 (or 2070249 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12421434000 its reverse (43412421), we get a palindrome (12464846421).

The spelling of 12421434000 in words is "twelve billion, four hundred twenty-one million, four hundred thirty-four thousand".