12101022120112 has 20 divisors (see below), whose sum is σ = 23445934454680. Its totient is φ = 6050458389888.

The previous prime is 12101022120079. The next prime is 12101022120127. The reversal of 12101022120112 is 21102122010121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362162 + ... + 5104657.

It is an arithmetic number, because the mean of its divisors is an integer number (1172296722734).

Almost surely, 2^{12101022120112} is an apocalyptic number.

It is an amenable number.

12101022120112 is a deficient number, since it is larger than the sum of its proper divisors (11344912334568).

12101022120112 is a wasteful number, since it uses less digits than its factorization.

12101022120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583780 (or 6583774 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12101022120112 its reverse (21102122010121), we get a palindrome (33203144130233).

The spelling of 12101022120112 in words is "twelve trillion, one hundred one billion, twenty-two million, one hundred twenty thousand, one hundred twelve".