12011313231210 has 512 divisors, whose sum is σ = 33673812480000. Its totient is φ = 2722154397696.

The previous prime is 12011313231157. The next prime is 12011313231217. The reversal of 12011313231210 is 1213231311021.

It is not an unprimeable number, because it can be changed into a prime (12011313231217) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 7382490417 + ... + 7382492043.

It is an arithmetic number, because the mean of its divisors is an integer number (65769165000).

Almost surely, 2^{12011313231210} is an apocalyptic number.

12011313231210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12011313231210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16836906240000).

12011313231210 is an abundant number, since it is smaller than the sum of its proper divisors (21662499248790).

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

12011313231210 is a wasteful number, since it uses less digits than its factorization.

12011313231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12011313231210 its reverse (1213231311021), we get a palindrome (13224544542231).

The spelling of 12011313231210 in words is "twelve trillion, eleven billion, three hundred thirteen million, two hundred thirty-one thousand, two hundred ten".