26505224233212 has 96 divisors (see below), whose sum is σ = 65249796084480. Its totient is φ = 8350904010240.

The previous prime is 26505224233153. The next prime is 26505224233219. The reversal of 26505224233212 is 21233242250562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26505224233219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176371128 + ... + 176521344.

It is an arithmetic number, because the mean of its divisors is an integer number (679685375880).

Almost surely, 2^{26505224233212} is an apocalyptic number.

It is an amenable number.

26505224233212 is an abundant number, since it is smaller than the sum of its proper divisors (38744571851268).

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

26505224233212 is a wasteful number, since it uses less digits than its factorization.

26505224233212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152011 (or 152009 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 26505224233212 its reverse (21233242250562), we get a palindrome (47738466483774).

The spelling of 26505224233212 in words is "twenty-six trillion, five hundred five billion, two hundred twenty-four million, two hundred thirty-three thousand, two hundred twelve".