12101222020112 has 80 divisors (see below), whose sum is σ = 24136822644480. Its totient is φ = 5874923650176.

The previous prime is 12101222020091. The next prime is 12101222020117. The reversal of 12101222020112 is 21102022210121.

It is not an unprimeable number, because it can be changed into a prime (12101222020117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354369023 + ... + 354403169.

It is an arithmetic number, because the mean of its divisors is an integer number (301710283056).

Almost surely, 2^{12101222020112} is an apocalyptic number.

It is an amenable number.

12101222020112 is a deficient number, since it is larger than the sum of its proper divisors (12035600624368).

12101222020112 is a wasteful number, since it uses less digits than its factorization.

12101222020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38820 (or 38814 counting only the distinct ones).

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

Adding to 12101222020112 its reverse (21102022210121), we get a palindrome (33203244230233).

The spelling of 12101222020112 in words is "twelve trillion, one hundred one billion, two hundred twenty-two million, twenty thousand, one hundred twelve".