21334210242212 has 12 divisors (see below), whose sum is σ = 42668420484480. Its totient is φ = 9143232960936.

The previous prime is 21334210242209. The next prime is 21334210242227. The reversal of 21334210242212 is 21224201243312.

21334210242212 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380968040012 + ... + 380968040067.

It is an arithmetic number, because the mean of its divisors is an integer number (3555701707040).

Almost surely, 2^{21334210242212} is an apocalyptic number.

It is an amenable number.

21334210242212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21334210242212 is a wasteful number, since it uses less digits than its factorization.

21334210242212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761936080090 (or 761936080088 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 21334210242212 its reverse (21224201243312), we get a palindrome (42558411485524).

The spelling of 21334210242212 in words is "twenty-one trillion, three hundred thirty-four billion, two hundred ten million, two hundred forty-two thousand, two hundred twelve".