12021020110000 has 200 divisors, whose sum is σ = 33617565797904. Its totient is φ = 4114145280000.

The previous prime is 12021020109997. The next prime is 12021020110009. The reversal of 12021020110000 is 1102012021.

12021020110000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (12021020110009) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1344177 + ... + 5084176.

Almost surely, 2^{12021020110000} is an apocalyptic number.

12021020110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021020110000 is an abundant number, since it is smaller than the sum of its proper divisors (21596545687904).

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

12021020110000 is a wasteful number, since it uses less digits than its factorization.

12021020110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428409 (or 6428388 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12021020110000 its reverse (1102012021), we get a palindrome (12022122122021).

The spelling of 12021020110000 in words is "twelve trillion, twenty-one billion, twenty million, one hundred ten thousand".