1122020212012 has 12 divisors (see below), whose sum is σ = 2244040424080. Its totient is φ = 480865805136.

The previous prime is 1122020212003. The next prime is 1122020212139. The reversal of 1122020212012 is 2102120202211.

It is a happy number.

1122020212012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20036075187 + ... + 20036075242.

Almost surely, 2^{1122020212012} is an apocalyptic number.

It is an amenable number.

1122020212012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1122020212012 is a wasteful number, since it uses less digits than its factorization.

1122020212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40072150440 (or 40072150438 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1122020212012 its reverse (2102120202211), we get a palindrome (3224140414223).

The spelling of 1122020212012 in words is "one trillion, one hundred twenty-two billion, twenty million, two hundred twelve thousand, twelve".