12101031121112 has 32 divisors (see below), whose sum is σ = 22980274766400. Its totient is φ = 5972982073344.

The previous prime is 12101031121099. The next prime is 12101031121121. The reversal of 12101031121112 is 21112113010121.

It is a super-2 number, since 2×12101031121112² (a number of 27 digits) contains 22 as substring.

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, 2494238 + ... + 5515730.

It is an arithmetic number, because the mean of its divisors is an integer number (718133586450).

Almost surely, 2^{12101031121112} is an apocalyptic number.

It is an amenable number.

12101031121112 is a deficient number, since it is larger than the sum of its proper divisors (10879243645288).

12101031121112 is a wasteful number, since it uses less digits than its factorization.

12101031121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027915 (or 3027911 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 12101031121112 its reverse (21112113010121), we get a palindrome (33213144131233).

The spelling of 12101031121112 in words is "twelve trillion, one hundred one billion, thirty-one million, one hundred twenty-one thousand, one hundred twelve".