12101001144 has 64 divisors (see below), whose sum is σ = 30577098240. Its totient is φ = 3990468480.

The previous prime is 12101001137. The next prime is 12101001163. The reversal of 12101001144 is 44110010121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3377434 + ... + 3381014.

It is an arithmetic number, because the mean of its divisors is an integer number (477767160).

Almost surely, 2^12101001144 is an apocalyptic number.

It is an amenable number.

12101001144 is an abundant number, since it is smaller than the sum of its proper divisors (18476097096).

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

12101001144 is a wasteful number, since it uses less digits than its factorization.

12101001144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12101001144 its reverse (44110010121), we get a palindrome (56211011265).

The spelling of 12101001144 in words is "twelve billion, one hundred one million, one thousand, one hundred forty-four".