12011222021000 has 64 divisors (see below), whose sum is σ = 28263278160000. Its totient is φ = 4777648017600.

The previous prime is 12011222020961. The next prime is 12011222021017. The reversal of 12011222021000 is 12022211021.

12011222021000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33371900 + ... + 33729899.

It is an arithmetic number, because the mean of its divisors is an integer number (441613721250).

Almost surely, 2^{12011222021000} is an apocalyptic number.

12011222021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011222021000 is an abundant number, since it is smaller than the sum of its proper divisors (16252056139000).

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

12011222021000 is a wasteful number, since it uses less digits than its factorization.

12011222021000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67101999 (or 67101985 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12011222021000 its reverse (12022211021), we get a palindrome (12023244232021).

The spelling of 12011222021000 in words is "twelve trillion, eleven billion, two hundred twenty-two million, twenty-one thousand".