21067276012 has 12 divisors (see below), whose sum is σ = 36875398336. Its totient is φ = 10531447920.

The previous prime is 21067276007. The next prime is 21067276037.

21067276012 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 525783 + ... + 564430.

Almost surely, 2^21067276012 is an apocalyptic number.

It is an amenable number.

21067276012 is a deficient number, since it is larger than the sum of its proper divisors (15808122324).

21067276012 is a wasteful number, since it uses less digits than its factorization.

21067276012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095048 (or 1095046 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 21067276012 in words is "twenty-one billion, sixty-seven million, two hundred seventy-six thousand, twelve".