21202233132212 has 24 divisors (see below), whose sum is σ = 40855280165280. Its totient is φ = 9547309734560.

The previous prime is 21202233132167. The next prime is 21202233132239. The reversal of 21202233132212 is 21223133220212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2251719287 + ... + 2251728702.

It is an arithmetic number, because the mean of its divisors is an integer number (1702303340220).

Almost surely, 2^{21202233132212} is an apocalyptic number.

21202233132212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21202233132212 is a deficient number, since it is larger than the sum of its proper divisors (19653047033068).

21202233132212 is a wasteful number, since it uses less digits than its factorization.

21202233132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503448111 (or 4503448109 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21202233132212 its reverse (21223133220212), we get a palindrome (42425366352424).

The spelling of 21202233132212 in words is "twenty-one trillion, two hundred two billion, two hundred thirty-three million, one hundred thirty-two thousand, two hundred twelve".