12200121220034 has 16 divisors (see below), whose sum is σ = 19963894841280. Its totient is φ = 5545492946160.

The previous prime is 12200121220033. The next prime is 12200121220277. The reversal of 12200121220034 is 43002212100221.

12200121220034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12200121220034² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12200121219988 and 12200121220015.

It is not an unprimeable number, because it can be changed into a prime (12200121220033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9454712 + ... + 10667324.

It is an arithmetic number, because the mean of its divisors is an integer number (1247743427580).

Almost surely, 2^{12200121220034} is an apocalyptic number.

12200121220034 is a deficient number, since it is larger than the sum of its proper divisors (7763773621246).

12200121220034 is a wasteful number, since it uses less digits than its factorization.

12200121220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669945.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12200121220034 its reverse (43002212100221), we get a palindrome (55202333320255).

The spelling of 12200121220034 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred twenty thousand, thirty-four".