21433042000212 has 24 divisors (see below), whose sum is σ = 50011787700000. Its totient is φ = 7144153566816.

The previous prime is 21433042000169. The next prime is 21433042000213. The reversal of 21433042000212 is 21200024033412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433042000213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23759587 + ... + 24645162.

It is an arithmetic number, because the mean of its divisors is an integer number (2083824487500).

Almost surely, 2^{21433042000212} is an apocalyptic number.

It is an amenable number.

21433042000212 is an abundant number, since it is smaller than the sum of its proper divisors (28578745699788).

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

21433042000212 is a wasteful number, since it uses less digits than its factorization.

21433042000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48441655 (or 48441653 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 21433042000212 its reverse (21200024033412), we get a palindrome (42633066033624).

The spelling of 21433042000212 in words is "twenty-one trillion, four hundred thirty-three billion, forty-two million, two hundred twelve", and thus it is an aban number.