12211310012020 has 24 divisors (see below), whose sum is σ = 29307144029184. Its totient is φ = 4186734861216.

The previous prime is 12211310011997. The next prime is 12211310012059. The reversal of 12211310012020 is 2021001311221.

It is a junction number, because it is equal to n+sod(n) for n = 12211310011985 and 12211310012003.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 43611821332 + ... + 43611821611.

It is an arithmetic number, because the mean of its divisors is an integer number (1221131001216).

Almost surely, 2^{12211310012020} is an apocalyptic number.

12211310012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211310012020 is an abundant number, since it is smaller than the sum of its proper divisors (17095834017164).

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

12211310012020 is a wasteful number, since it uses less digits than its factorization.

12211310012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87223642959 (or 87223642957 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12211310012020 its reverse (2021001311221), we get a palindrome (14232311323241).

The spelling of 12211310012020 in words is "twelve trillion, two hundred eleven billion, three hundred ten million, twelve thousand, twenty".