12522322026 has 72 divisors (see below), whose sum is σ = 29102627424. Its totient is φ = 3890263680.

The previous prime is 12522321953. The next prime is 12522322097. The reversal of 12522322026 is 62022322521.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 524121 + ... + 547491.

Almost surely, 2^12522322026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12522322026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14551313712).

12522322026 is an abundant number, since it is smaller than the sum of its proper divisors (16580305398).

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

12522322026 is a wasteful number, since it uses less digits than its factorization.

12522322026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23516 (or 23496 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 12522322026 its reverse (62022322521), we get a palindrome (74544644547).

The spelling of 12522322026 in words is "twelve billion, five hundred twenty-two million, three hundred twenty-two thousand, twenty-six".