26971000212 has 48 divisors (see below), whose sum is σ = 67791028032. Its totient is φ = 8296596480.

The previous prime is 26971000201. The next prime is 26971000219. The reversal of 26971000212 is 21200017962.

It is a self number, because there is not a number n which added to its sum of digits gives 26971000212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26971000219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636388 + ... + 677444.

It is an arithmetic number, because the mean of its divisors is an integer number (1412313084).

Almost surely, 2^26971000212 is an apocalyptic number.

It is a pronic number, being equal to 164228×164229.

It is an amenable number.

26971000212 is an abundant number, since it is smaller than the sum of its proper divisors (40820027820).

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

26971000212 is a wasteful number, since it uses less digits than its factorization.

26971000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45288 (or 45286 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 26971000212 in words is "twenty-six billion, nine hundred seventy-one million, two hundred twelve", and thus it is an aban number.