120020012112121 has 8 divisors (see below), whose sum is σ = 131229170424000. Its totient is φ = 108860561820240.

The previous prime is 120020012112073. The next prime is 120020012112139. The reversal of 120020012112121 is 121211210020021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120020012112121 - 2³³ = 120011422177529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120020012112095 and 120020012112104.

It is not an unprimeable number, because it can be changed into a prime (120020012172121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12426999946 + ... + 12427009603.

It is an arithmetic number, because the mean of its divisors is an integer number (16403646303000).

Almost surely, 2^{120020012112121} is an apocalyptic number.

120020012112121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120020012112121 is a deficient number, since it is larger than the sum of its proper divisors (11209158311879).

120020012112121 is a wasteful number, since it uses less digits than its factorization.

120020012112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24854009999.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120020012112121 its reverse (121211210020021), we get a palindrome (241231222132142).

The spelling of 120020012112121 in words is "one hundred twenty trillion, twenty billion, twelve million, one hundred twelve thousand, one hundred twenty-one".