12021011010120 has 128 divisors (see below), whose sum is σ = 41593013510400. Its totient is φ = 2722451751936.

The previous prime is 12021011010101. The next prime is 12021011010139. The reversal of 12021011010120 is 2101011012021.

12021011010120 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 (12021011010101) and next prime (12021011010139).

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

It is a junction number, because it is equal to n+sod(n) for n = 12021011010096 and 12021011010105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65553979 + ... + 65737098.

It is an arithmetic number, because the mean of its divisors is an integer number (324945418050).

Almost surely, 2^{12021011010120} is an apocalyptic number.

12021011010120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021011010120 is an abundant number, since it is smaller than the sum of its proper divisors (29572002500280).

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

12021011010120 is a wasteful number, since it uses less digits than its factorization.

12021011010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131291207 (or 131291203 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12021011010120 its reverse (2101011012021), we get a palindrome (14122022022141).

The spelling of 12021011010120 in words is "twelve trillion, twenty-one billion, eleven million, ten thousand, one hundred twenty".