12101142320 has 40 divisors (see below), whose sum is σ = 28666017936. Its totient is φ = 4749125888.

The previous prime is 12101142307. The next prime is 12101142341. The reversal of 12101142320 is 2324110121.

It is a tau number, because it is divible by the number of its divisors (40).

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, 1422782 + ... + 1431261.

Almost surely, 2^12101142320 is an apocalyptic number.

12101142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101142320 is an abundant number, since it is smaller than the sum of its proper divisors (16564875616).

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

12101142320 is a wasteful number, since it uses less digits than its factorization.

12101142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854109 (or 2854103 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12101142320 its reverse (2324110121), we get a palindrome (14425252441).

The spelling of 12101142320 in words is "twelve billion, one hundred one million, one hundred forty-two thousand, three hundred twenty".