2112202022312 has 32 divisors (see below), whose sum is σ = 4005952161120. Its totient is φ = 1043990387520.

The previous prime is 2112202022279. The next prime is 2112202022339. The reversal of 2112202022312 is 2132202022112.

It is a super-2 number, since 2×2112202022312² (a number of 25 digits) contains 22 as substring.

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, 2242139 + ... + 3041642.

It is an arithmetic number, because the mean of its divisors is an integer number (125186005035).

Almost surely, 2^{2112202022312} is an apocalyptic number.

It is an amenable number.

2112202022312 is a deficient number, since it is larger than the sum of its proper divisors (1893750138808).

2112202022312 is a wasteful number, since it uses less digits than its factorization.

2112202022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284361 (or 5284357 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2112202022312 its reverse (2132202022112), we get a palindrome (4244404044424).

The spelling of 2112202022312 in words is "two trillion, one hundred twelve billion, two hundred two million, twenty-two thousand, three hundred twelve".