1012202220122 has 32 divisors (see below), whose sum is σ = 1609995093840. Its totient is φ = 475625779200.

The previous prime is 1012202220097. The next prime is 1012202220167. The reversal of 1012202220122 is 2210222022101.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 698208976921 + 313993243201 = 835589^2 + 560351^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1012202220122.

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, 102227372 + ... + 102237272.

Almost surely, 2^{1012202220122} is an apocalyptic number.

1012202220122 is a deficient number, since it is larger than the sum of its proper divisors (597792873718).

1012202220122 is a wasteful number, since it uses less digits than its factorization.

1012202220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14066.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1012202220122 its reverse (2210222022101), we get a palindrome (3222424242223).

The spelling of 1012202220122 in words is "one trillion, twelve billion, two hundred two million, two hundred twenty thousand, one hundred twenty-two".