12200220126 has 12 divisors (see below), whose sum is σ = 26433810312. Its totient is φ = 4066740036.

The previous prime is 12200220103. The next prime is 12200220127. The reversal of 12200220126 is 62102200221.

It is a super-2 number, since 2×12200220126² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 677790007 = 12200220126 / (1 + 2 + 2 + 0 + 0 + 2 + 2 + 0 + 1 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 12200220099 and 12200220108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338894986 + ... + 338895021.

It is an arithmetic number, because the mean of its divisors is an integer number (2202817526).

Almost surely, 2^12200220126 is an apocalyptic number.

12200220126 is an abundant number, since it is smaller than the sum of its proper divisors (14233590186).

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

12200220126 is a wasteful number, since it uses less digits than its factorization.

12200220126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677790015 (or 677790012 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12200220126 its reverse (62102200221), we get a palindrome (74302420347).

The spelling of 12200220126 in words is "twelve billion, two hundred million, two hundred twenty thousand, one hundred twenty-six".