1012112202122 has 16 divisors (see below), whose sum is σ = 1758817292352. Its totient is φ = 427820421600.

The previous prime is 1012112202097. The next prime is 1012112202137. The reversal of 1012112202122 is 2212022112101.

It is a super-2 number, since 2×1012112202122² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1012112202122.

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, 495161504 + ... + 495163547.

It is an arithmetic number, because the mean of its divisors is an integer number (109926080772).

Almost surely, 2^{1012112202122} is an apocalyptic number.

1012112202122 is a deficient number, since it is larger than the sum of its proper divisors (746705090230).

1012112202122 is an equidigital number, since it uses as much as digits as its factorization.

1012112202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990325133.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1012112202122 its reverse (2212022112101), we get a palindrome (3224134314223).

The spelling of 1012112202122 in words is "one trillion, twelve billion, one hundred twelve million, two hundred two thousand, one hundred twenty-two".