12011322021303 has 32 divisors (see below), whose sum is σ = 17620738854912. Its totient is φ = 7277383808640.

The previous prime is 12011322021277. The next prime is 12011322021323. The reversal of 12011322021303 is 30312022311021.

It is not a de Polignac number, because 12011322021303 - 2²² = 12011317826999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12011322021303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011322021323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12774826 + ... + 13682792.

It is an arithmetic number, because the mean of its divisors is an integer number (550648089216).

Almost surely, 2^{12011322021303} is an apocalyptic number.

12011322021303 is a deficient number, since it is larger than the sum of its proper divisors (5609416833609).

12011322021303 is an equidigital number, since it uses as much as digits as its factorization.

12011322021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911316 (or 911294 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12011322021303 its reverse (30312022311021), we get a palindrome (42323344332324).

The spelling of 12011322021303 in words is "twelve trillion, eleven billion, three hundred twenty-two million, twenty-one thousand, three hundred three".