12010122550 has 24 divisors (see below), whose sum is σ = 22436398800. Its totient is φ = 4783066080.

The previous prime is 12010122529. The next prime is 12010122557. The reversal of 12010122550 is 5522101021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010122557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513010 + ... + 535909.

It is an arithmetic number, because the mean of its divisors is an integer number (934849950).

Almost surely, 2^12010122550 is an apocalyptic number.

12010122550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12010122550 is a deficient number, since it is larger than the sum of its proper divisors (10426276250).

12010122550 is a wasteful number, since it uses less digits than its factorization.

12010122550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049160 (or 1049155 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 12010122550 its reverse (5522101021), we get a palindrome (17532223571).

The spelling of 12010122550 in words is "twelve billion, ten million, one hundred twenty-two thousand, five hundred fifty".