26122212732 has 96 divisors (see below), whose sum is σ = 76538972160. Its totient is φ = 6736144320.

The previous prime is 26122212731. The next prime is 26122212749. The reversal of 26122212732 is 23721222162.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 26122212732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26122212731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26743 + ... + 230129.

It is an arithmetic number, because the mean of its divisors is an integer number (797280960).

Almost surely, 2^26122212732 is an apocalyptic number.

26122212732 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26122212732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38269486080).

26122212732 is an abundant number, since it is smaller than the sum of its proper divisors (50416759428).

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

26122212732 is a wasteful number, since it uses less digits than its factorization.

26122212732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203551 (or 203549 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

Adding to 26122212732 its reverse (23721222162), we get a palindrome (49843434894).

The spelling of 26122212732 in words is "twenty-six billion, one hundred twenty-two million, two hundred twelve thousand, seven hundred thirty-two".