1012222113122 has 16 divisors (see below), whose sum is σ = 1658361513600. Its totient is φ = 459545945040.

The previous prime is 1012222113109. The next prime is 1012222113157. The reversal of 1012222113122 is 2213112222101.

It is a junction number, because it is equal to n+sod(n) for n = 1012222113094 and 1012222113103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27732122 + ... + 27768597.

It is an arithmetic number, because the mean of its divisors is an integer number (103647594600).

Almost surely, 2^{1012222113122} is an apocalyptic number.

1012222113122 is a deficient number, since it is larger than the sum of its proper divisors (646139400478).

1012222113122 is a wasteful number, since it uses less digits than its factorization.

1012222113122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55501561.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1012222113122 its reverse (2213112222101), we get a palindrome (3225334335223).

The spelling of 1012222113122 in words is "one trillion, twelve billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred twenty-two".