1020022112212 has 24 divisors (see below), whose sum is σ = 1798374412800. Its totient is φ = 506206016160.

The previous prime is 1020022112173. The next prime is 1020022112267. The reversal of 1020022112212 is 2122112200201.

It is a happy number.

It is a congruent number.

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, 146037 + ... + 1435747.

It is an arithmetic number, because the mean of its divisors is an integer number (74932267200).

Almost surely, 2^{1020022112212} is an apocalyptic number.

It is an amenable number.

1020022112212 is a deficient number, since it is larger than the sum of its proper divisors (778352300588).

1020022112212 is a wasteful number, since it uses less digits than its factorization.

1020022112212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291191 (or 1291189 counting only the distinct ones).

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

Adding to 1020022112212 its reverse (2122112200201), we get a palindrome (3142134312413).

The spelling of 1020022112212 in words is "one trillion, twenty billion, twenty-two million, one hundred twelve thousand, two hundred twelve".