120002012020121 has 16 divisors (see below), whose sum is σ = 149613203834880. Its totient is φ = 93507870232080.

The previous prime is 120002012020097. The next prime is 120002012020153. The reversal of 120002012020121 is 121020210200021.

It is a cyclic number.

It is not a de Polignac number, because 120002012020121 - 2³⁸ = 119727134113177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120002012020096 and 120002012020105.

It is not an unprimeable number, because it can be changed into a prime (120002012020321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45206720 + ... + 47787566.

It is an arithmetic number, because the mean of its divisors is an integer number (9350825239680).

Almost surely, 2^{120002012020121} is an apocalyptic number.

120002012020121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120002012020121 is a deficient number, since it is larger than the sum of its proper divisors (29611191814759).

120002012020121 is a wasteful number, since it uses less digits than its factorization.

120002012020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184724.

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

Adding to 120002012020121 its reverse (121020210200021), we get a palindrome (241022222220142).

The spelling of 120002012020121 in words is "one hundred twenty trillion, two billion, twelve million, twenty thousand, one hundred twenty-one".