21014333212 has 6 divisors (see below), whose sum is σ = 36775083128. Its totient is φ = 10507166604.

The previous prime is 21014333177. The next prime is 21014333239. The reversal of 21014333212 is 21233341012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626791648 + ... + 2626791655.

Almost surely, 2^21014333212 is an apocalyptic number.

It is an amenable number.

21014333212 is a deficient number, since it is larger than the sum of its proper divisors (15760749916).

21014333212 is a wasteful number, since it uses less digits than its factorization.

21014333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253583307 (or 5253583305 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21014333212 its reverse (21233341012), we get a palindrome (42247674224).

The spelling of 21014333212 in words is "twenty-one billion, fourteen million, three hundred thirty-three thousand, two hundred twelve".