120121112002 has 8 divisors (see below), whose sum is σ = 180294216012. Its totient is φ = 60023040000.

The previous prime is 120121111997. The next prime is 120121112051. The reversal of 120121112002 is 200211121021.

It can be written as a sum of positive squares in 2 ways, for example, as 65116322041 + 55004789961 = 255179^2 + 234531^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18753999 + ... + 18760402.

Almost surely, 2^120121112002 is an apocalyptic number.

120121112002 is a deficient number, since it is larger than the sum of its proper divisors (60173104010).

120121112002 is a wasteful number, since it uses less digits than its factorization.

120121112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37516004.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120121112002 its reverse (200211121021), we get a palindrome (320332233023).

The spelling of 120121112002 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twelve thousand, two".