21412040200 has 48 divisors (see below), whose sum is σ = 49851809280. Its totient is φ = 8552976960.

The previous prime is 21412040191. The next prime is 21412040219. The reversal of 21412040200 is 204021412.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71769 + ... + 219031.

It is an arithmetic number, because the mean of its divisors is an integer number (1038579360).

Almost surely, 2^21412040200 is an apocalyptic number.

21412040200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21412040200 is an abundant number, since it is smaller than the sum of its proper divisors (28439769080).

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

21412040200 is a wasteful number, since it uses less digits than its factorization.

21412040200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148006 (or 147997 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21412040200 its reverse (204021412), we get a palindrome (21616061612).

The spelling of 21412040200 in words is "twenty-one billion, four hundred twelve million, forty thousand, two hundred".