12101022112 has 24 divisors (see below), whose sum is σ = 24592401792. Its totient is φ = 5855332800.

The previous prime is 12101022047. The next prime is 12101022113. The reversal of 12101022112 is 21122010121.

It is a super-2 number, since 2×12101022112² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101022092 and 12101022101.

It is not an unprimeable number, because it can be changed into a prime (12101022113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6098314 + ... + 6100297.

It is an arithmetic number, because the mean of its divisors is an integer number (1024683408).

Almost surely, 2^12101022112 is an apocalyptic number.

It is an amenable number.

12101022112 is an abundant number, since it is smaller than the sum of its proper divisors (12491379680).

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

12101022112 is a wasteful number, since it uses less digits than its factorization.

12101022112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12198652 (or 12198644 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12101022112 its reverse (21122010121), we get a palindrome (33223032233).

The spelling of 12101022112 in words is "twelve billion, one hundred one million, twenty-two thousand, one hundred twelve".