1022112022212 has 36 divisors (see below), whose sum is σ = 2609252976876. Its totient is φ = 337330699200.

The previous prime is 1022112022181. The next prime is 1022112022249. The reversal of 1022112022212 is 2122202112201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 982727238276 + 39384783936 = 991326^2 + 198456^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140550823 + ... + 140558094.

Almost surely, 2^{1022112022212} is an apocalyptic number.

1022112022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022112022212 is an abundant number, since it is smaller than the sum of its proper divisors (1587140954664).

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

1022112022212 is a wasteful number, since it uses less digits than its factorization.

1022112022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281109028 (or 281109023 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1022112022212 its reverse (2122202112201), we get a palindrome (3144314134413).

The spelling of 1022112022212 in words is "one trillion, twenty-two billion, one hundred twelve million, twenty-two thousand, two hundred twelve".