12113111210320 has 40 divisors (see below), whose sum is σ = 28163128906440. Its totient is φ = 4845219479040.

The previous prime is 12113111210287. The next prime is 12113111210327. The reversal of 12113111210320 is 2301211131121.

It can be written as a sum of positive squares in 4 ways, for example, as 57688353856 + 12055422856464 = 240184^2 + 3472092^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113111210327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28230346 + ... + 28656214.

It is an arithmetic number, because the mean of its divisors is an integer number (704078222661).

Almost surely, 2^{12113111210320} is an apocalyptic number.

12113111210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113111210320 is an abundant number, since it is smaller than the sum of its proper divisors (16050017696120).

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

12113111210320 is a wasteful number, since it uses less digits than its factorization.

12113111210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781423 (or 781417 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 12113111210320 its reverse (2301211131121), we get a palindrome (14414322341441).

The spelling of 12113111210320 in words is "twelve trillion, one hundred thirteen billion, one hundred eleven million, two hundred ten thousand, three hundred twenty".