2012111220022 has 32 divisors (see below), whose sum is σ = 3126230640000. Its totient is φ = 970123706496.

The previous prime is 2012111220017. The next prime is 2012111220043. The reversal of 2012111220022 is 2200221112102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2012111219978 and 2012111220005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262365604 + ... + 262373272.

It is an arithmetic number, because the mean of its divisors is an integer number (97694707500).

Almost surely, 2^{2012111220022} is an apocalyptic number.

2012111220022 is a deficient number, since it is larger than the sum of its proper divisors (1114119419978).

2012111220022 is a wasteful number, since it uses less digits than its factorization.

2012111220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012111220022 its reverse (2200221112102), we get a palindrome (4212332332124).

The spelling of 2012111220022 in words is "two trillion, twelve billion, one hundred eleven million, two hundred twenty thousand, twenty-two".