27206338012 has 72 divisors (see below), whose sum is σ = 56087487456. Its totient is φ = 11512513152.

The previous prime is 27206337997. The next prime is 27206338037. The reversal of 27206338012 is 21083360272.

It is a super-2 number, since 2×27206338012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7528318 + ... + 7531930.

Almost surely, 2^27206338012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27206338012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28043743728).

27206338012 is an abundant number, since it is smaller than the sum of its proper divisors (28881149444).

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

27206338012 is a wasteful number, since it uses less digits than its factorization.

27206338012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107 (or 4098 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 27206338012 its reverse (21083360272), we get a palindrome (48289698284).

The spelling of 27206338012 in words is "twenty-seven billion, two hundred six million, three hundred thirty-eight thousand, twelve".