120000120002121 has 64 divisors (see below), whose sum is σ = 165996818196480. Its totient is φ = 77076014400000.

The previous prime is 120000120002117. The next prime is 120000120002143. The reversal of 120000120002121 is 121200021000021.

It is not a de Polignac number, because 120000120002121 - 2² = 120000120002117 is a prime.

It is a super-3 number, since 3×120000120002121³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120000120002097 and 120000120002106.

It is not an unprimeable number, because it can be changed into a prime (120000120002221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 763859301 + ... + 764016381.

It is an arithmetic number, because the mean of its divisors is an integer number (2593700284320).

Almost surely, 2^{120000120002121} is an apocalyptic number.

It is an amenable number.

120000120002121 is a deficient number, since it is larger than the sum of its proper divisors (45996698194359).

120000120002121 is a wasteful number, since it uses less digits than its factorization.

120000120002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157678.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120000120002121 its reverse (121200021000021), we get a palindrome (241200141002142).

The spelling of 120000120002121 in words is "one hundred twenty trillion, one hundred twenty million, two thousand, one hundred twenty-one".