12211021020000 has 240 divisors, whose sum is σ = 43695919979712. Its totient is φ = 2960247360000.

The previous prime is 12211021019987. The next prime is 12211021020013. The reversal of 12211021020000 is 2012011221.

12211021020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12211021019987) and next prime (12211021020013).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8590774 + ... + 9910773.

Almost surely, 2^{12211021020000} is an apocalyptic number.

12211021020000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12211021020000 is an abundant number, since it is smaller than the sum of its proper divisors (31484898959712).

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

12211021020000 is a wasteful number, since it uses less digits than its factorization.

12211021020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18501591 (or 18501568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12211021020000 its reverse (2012011221), we get a palindrome (12213033031221).

The spelling of 12211021020000 in words is "twelve trillion, two hundred eleven billion, twenty-one million, twenty thousand".