21412421412 has 48 divisors (see below), whose sum is σ = 54878530560. Its totient is φ = 6467823648.

The previous prime is 21412421377. The next prime is 21412421447.

It is a happy number.

21412421412 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (21412421377) and next prime (21412421447).

It is a nude number because it is divisible by every one of its digits.

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 15 ways as a sum of consecutive naturals, for example, 2036368 + ... + 2046855.

It is an arithmetic number, because the mean of its divisors is an integer number (1143302720).

Almost surely, 2^21412421412 is an apocalyptic number.

It is an amenable number.

21412421412 is an abundant number, since it is smaller than the sum of its proper divisors (33466109148).

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

21412421412 is a wasteful number, since it uses less digits than its factorization.

21412421412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083272 (or 4083270 counting only the distinct ones).

The product of its digits is 1024, while the sum is 24.

The spelling of 21412421412 in words is "twenty-one billion, four hundred twelve million, four hundred twenty-one thousand, four hundred twelve".