120020012210121 has 8 divisors (see below), whose sum is σ = 160027258438560. Its totient is φ = 80013053727552.

The previous prime is 120020012210101. The next prime is 120020012210123. The reversal of 120020012210121 is 121012210020021.

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

It is not a de Polignac number, because 120020012210121 - 2¹⁸ = 120020011947977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120020012210121.

It is not an unprimeable number, because it can be changed into a prime (120020012210123) 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 7 ways as a sum of consecutive naturals, for example, 70961335 + ... + 72632988.

It is an arithmetic number, because the mean of its divisors is an integer number (20003407304820).

Almost surely, 2^{120020012210121} is an apocalyptic number.

It is an amenable number.

120020012210121 is a deficient number, since it is larger than the sum of its proper divisors (40007246228439).

120020012210121 is a wasteful number, since it uses less digits than its factorization.

120020012210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143872935.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120020012210121 its reverse (121012210020021), we get a palindrome (241032222230142).

The spelling of 120020012210121 in words is "one hundred twenty trillion, twenty billion, twelve million, two hundred ten thousand, one hundred twenty-one".