21412012000 has 96 divisors (see below), whose sum is σ = 55378421280. Its totient is φ = 8113996800.

The previous prime is 21412011977. The next prime is 21412012001. The reversal of 21412012000 is 21021412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21412012001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64869 + ... + 216868.

It is an arithmetic number, because the mean of its divisors is an integer number (576858555).

Almost surely, 2^21412012000 is an apocalyptic number.

21412012000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21412012000 is an abundant number, since it is smaller than the sum of its proper divisors (33966409280).

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

21412012000 is a wasteful number, since it uses less digits than its factorization.

21412012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281781 (or 281763 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21412012000 its reverse (21021412), we get a palindrome (21433033412).

The spelling of 21412012000 in words is "twenty-one billion, four hundred twelve million, twelve thousand".