121000101220012 has 24 divisors (see below), whose sum is σ = 242185359515904. Its totient is φ = 51817509720912.

The previous prime is 121000101219961. The next prime is 121000101220027. The reversal of 121000101220012 is 210022101000121.

It is a junction number, because it is equal to n+sod(n) for n = 121000101219974 and 121000101220001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653150928 + ... + 1653224119.

It is an arithmetic number, because the mean of its divisors is an integer number (10091056646496).

Almost surely, 2^{121000101220012} is an apocalyptic number.

It is an amenable number.

121000101220012 is an abundant number, since it is smaller than the sum of its proper divisors (121185258295892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121000101220012 is a wasteful number, since it uses less digits than its factorization.

121000101220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306376365 (or 3306376363 counting only the distinct ones).

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

Adding to 121000101220012 its reverse (210022101000121), we get a palindrome (331022202220133).

The spelling of 121000101220012 in words is "one hundred twenty-one trillion, one hundred one million, two hundred twenty thousand, twelve".