12101133112 has 8 divisors (see below), whose sum is σ = 22689624600. Its totient is φ = 6050566552.

The previous prime is 12101133047. The next prime is 12101133113. The reversal of 12101133112 is 21133110121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101133113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756320812 + ... + 756320827.

It is an arithmetic number, because the mean of its divisors is an integer number (2836203075).

Almost surely, 2^12101133112 is an apocalyptic number.

It is an amenable number.

12101133112 is a deficient number, since it is larger than the sum of its proper divisors (10588491488).

12101133112 is a wasteful number, since it uses less digits than its factorization.

12101133112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512641645 (or 1512641641 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12101133112 its reverse (21133110121), we get a palindrome (33234243233).

The spelling of 12101133112 in words is "twelve billion, one hundred one million, one hundred thirty-three thousand, one hundred twelve".