12212000021020 has 12 divisors (see below), whose sum is σ = 25645200044184. Its totient is φ = 4884800008400.

The previous prime is 12212000020967. The next prime is 12212000021057. The reversal of 12212000021020 is 2012000021221.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 305300000506 + ... + 305300000545.

It is an arithmetic number, because the mean of its divisors is an integer number (2137100003682).

Almost surely, 2^{12212000021020} is an apocalyptic number.

12212000021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12212000021020 is an abundant number, since it is smaller than the sum of its proper divisors (13433200023164).

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

12212000021020 is a wasteful number, since it uses less digits than its factorization.

12212000021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610600001060 (or 610600001058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12212000021020 its reverse (2012000021221), we get a palindrome (14224000042241).

The spelling of 12212000021020 in words is "twelve trillion, two hundred twelve billion, twenty-one thousand, twenty".