120000121021012 has 6 divisors (see below), whose sum is σ = 210000211786778. Its totient is φ = 60000060510504.

The previous prime is 120000121021007. The next prime is 120000121021021. The reversal of 120000121021012 is 210120121000021.

It can be written as a sum of positive squares in only one way, i.e., 115767571897156 + 4232549123856 = 10759534^2 + 2057316^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120000121020983 and 120000121021001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000015127623 + ... + 15000015127630.

Almost surely, 2^{120000121021012} is an apocalyptic number.

It is an amenable number.

120000121021012 is a deficient number, since it is larger than the sum of its proper divisors (90000090765766).

120000121021012 is a wasteful number, since it uses less digits than its factorization.

120000121021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30000030255257 (or 30000030255255 counting only the distinct ones).

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

Adding to 120000121021012 its reverse (210120121000021), we get a palindrome (330120242021033).

The spelling of 120000121021012 in words is "one hundred twenty trillion, one hundred twenty-one million, twenty-one thousand, twelve".