21200600212 has 36 divisors (see below), whose sum is σ = 41296776640. Its totient is φ = 9514636560.

The previous prime is 21200600207. The next prime is 21200600231.

21200600212 is nontrivially palindromic in base 10.

It is a congruent number.

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, 238998 + ... + 315469.

Almost surely, 2^21200600212 is an apocalyptic number.

21200600212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21200600212 is a deficient number, since it is larger than the sum of its proper divisors (20096176428).

21200600212 is a wasteful number, since it uses less digits than its factorization.

21200600212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554572 (or 554559 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The spelling of 21200600212 in words is "twenty-one billion, two hundred million, six hundred thousand, two hundred twelve".