26203246212 has 96 divisors (see below), whose sum is σ = 71930557440. Its totient is φ = 7319306880.

The previous prime is 26203246187. The next prime is 26203246213. The reversal of 26203246212 is 21264230262.

It is a super-2 number, since 2×26203246212² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26203246212.

It is not an unprimeable number, because it can be changed into a prime (26203246213) 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 31 ways as a sum of consecutive naturals, for example, 1257793 + ... + 1278455.

It is an arithmetic number, because the mean of its divisors is an integer number (749276640).

Almost surely, 2^26203246212 is an apocalyptic number.

26203246212 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 26203246212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35965278720).

26203246212 is an abundant number, since it is smaller than the sum of its proper divisors (45727311228).

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

26203246212 is a wasteful number, since it uses less digits than its factorization.

26203246212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21433 (or 21431 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 26203246212 its reverse (21264230262), we get a palindrome (47467476474).

The spelling of 26203246212 in words is "twenty-six billion, two hundred three million, two hundred forty-six thousand, two hundred twelve".