12011321323210 has 32 divisors (see below), whose sum is σ = 24973271289792. Its totient is φ = 4110826548480.

The previous prime is 12011321323189. The next prime is 12011321323223. The reversal of 12011321323210 is 1232312311021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3211581372 + ... + 3211585111.

It is an arithmetic number, because the mean of its divisors is an integer number (780414727806).

Almost surely, 2^{12011321323210} is an apocalyptic number.

12011321323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011321323210 is an abundant number, since it is smaller than the sum of its proper divisors (12961949966582).

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

12011321323210 is a wasteful number, since it uses less digits than its factorization.

12011321323210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6423166518.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12011321323210 its reverse (1232312311021), we get a palindrome (13243633634231).

The spelling of 12011321323210 in words is "twelve trillion, eleven billion, three hundred twenty-one million, three hundred twenty-three thousand, two hundred ten".