12011012322220 has 12 divisors (see below), whose sum is σ = 25223125876704. Its totient is φ = 4804404928880.

The previous prime is 12011012322157. The next prime is 12011012322223. The reversal of 12011012322220 is 2222321011021.

It is not an unprimeable number, because it can be changed into a prime (12011012322223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 300275308036 + ... + 300275308075.

It is an arithmetic number, because the mean of its divisors is an integer number (2101927156392).

Almost surely, 2^{12011012322220} is an apocalyptic number.

12011012322220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011012322220 is an abundant number, since it is smaller than the sum of its proper divisors (13212113554484).

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

12011012322220 is a wasteful number, since it uses less digits than its factorization.

12011012322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600550616120 (or 600550616118 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12011012322220 its reverse (2222321011021), we get a palindrome (14233333333241).

The spelling of 12011012322220 in words is "twelve trillion, eleven billion, twelve million, three hundred twenty-two thousand, two hundred twenty".