12225520026 has 96 divisors (see below), whose sum is σ = 27958694400. Its totient is φ = 4003213104.

The previous prime is 12225519997. The next prime is 12225520051. The reversal of 12225520026 is 62002552221.

It is a super-2 number, since 2×12225520026² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8026501 + ... + 8028023.

It is an arithmetic number, because the mean of its divisors is an integer number (291236400).

Almost surely, 2^12225520026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12225520026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13979347200).

12225520026 is an abundant number, since it is smaller than the sum of its proper divisors (15733174374).

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

12225520026 is a wasteful number, since it uses less digits than its factorization.

12225520026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The spelling of 12225520026 in words is "twelve billion, two hundred twenty-five million, five hundred twenty thousand, twenty-six".