12211322001020 has 96 divisors (see below), whose sum is σ = 26005741493760. Its totient is φ = 4815915540480.

The previous prime is 12211322000987. The next prime is 12211322001023. The reversal of 12211322001020 is 2010022311221.

12211322001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12211322001020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211322001023) 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, 961287989 + ... + 961300691.

It is an arithmetic number, because the mean of its divisors is an integer number (270893140560).

Almost surely, 2^{12211322001020} is an apocalyptic number.

12211322001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211322001020 is an abundant number, since it is smaller than the sum of its proper divisors (13794419492740).

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

12211322001020 is a wasteful number, since it uses less digits than its factorization.

12211322001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14295 (or 14293 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12211322001020 its reverse (2010022311221), we get a palindrome (14221344312241).

The spelling of 12211322001020 in words is "twelve trillion, two hundred eleven billion, three hundred twenty-two million, one thousand, twenty".