222201122122012 has 12 divisors (see below), whose sum is σ = 424202142233016. Its totient is φ = 101000510055440.

The previous prime is 222201122121949. The next prime is 222201122122027. The reversal of 222201122122012 is 210221221102222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525012751343 + ... + 2525012751430.

It is an arithmetic number, because the mean of its divisors is an integer number (35350178519418).

Almost surely, 2^{222201122122012} is an apocalyptic number.

222201122122012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222201122122012 is a deficient number, since it is larger than the sum of its proper divisors (202001020111004).

222201122122012 is a wasteful number, since it uses less digits than its factorization.

222201122122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050025502788 (or 5050025502786 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222201122122012 its reverse (210221221102222), we get a palindrome (432422343224234).

The spelling of 222201122122012 in words is "two hundred twenty-two trillion, two hundred one billion, one hundred twenty-two million, one hundred twenty-two thousand, twelve".