12200222222201 has 16 divisors (see below), whose sum is σ = 13410127841040. Its totient is φ = 11029838776320.

The previous prime is 12200222222161. The next prime is 12200222222239. The reversal of 12200222222201 is 10222222200221.

It can be written as a sum of positive squares in 8 ways, for example, as 2082580903225 + 10117641318976 = 1443115^2 + 3180824^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12200222222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200222225201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15167840 + ... + 15951921.

It is an arithmetic number, because the mean of its divisors is an integer number (838132990065).

Almost surely, 2^{12200222222201} is an apocalyptic number.

It is an amenable number.

12200222222201 is a deficient number, since it is larger than the sum of its proper divisors (1209905618839).

12200222222201 is a wasteful number, since it uses less digits than its factorization.

12200222222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31120396.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 12200222222201 its reverse (10222222200221), we get a palindrome (22422444422422).

The spelling of 12200222222201 in words is "twelve trillion, two hundred billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred one".