121000120112012 has 24 divisors (see below), whose sum is σ = 224223848541504. Its totient is φ = 56936726675712.

The previous prime is 121000120111999. The next prime is 121000120112021. The reversal of 121000120112012 is 210211021000121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69545588 + ... + 71264219.

It is an arithmetic number, because the mean of its divisors is an integer number (9342660355896).

Almost surely, 2^{121000120112012} is an apocalyptic number.

It is an amenable number.

121000120112012 is a deficient number, since it is larger than the sum of its proper divisors (103223728429492).

121000120112012 is a wasteful number, since it uses less digits than its factorization.

121000120112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140822465 (or 140822463 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121000120112012 its reverse (210211021000121), we get a palindrome (331211141112133).

The spelling of 121000120112012 in words is "one hundred twenty-one trillion, one hundred twenty million, one hundred twelve thousand, twelve".