2122220100012 has 24 divisors (see below), whose sum is σ = 4952161524912. Its totient is φ = 707361753600.

The previous prime is 2122220100001. The next prime is 2122220100067. The reversal of 2122220100012 is 2100010222212.

It is a junction number, because it is equal to n+sod(n) for n = 2122220099964 and 2122220100000.

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 7 ways as a sum of consecutive naturals, for example, 5421289 + ... + 5799552.

It is an arithmetic number, because the mean of its divisors is an integer number (206340063538).

Almost surely, 2^{2122220100012} is an apocalyptic number.

It is an amenable number.

2122220100012 is an abundant number, since it is smaller than the sum of its proper divisors (2829941424900).

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

2122220100012 is a wasteful number, since it uses less digits than its factorization.

2122220100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236609 (or 11236607 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122220100012 its reverse (2100010222212), we get a palindrome (4222230322224).

The spelling of 2122220100012 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred thousand, twelve".