121020010012 has 36 divisors (see below), whose sum is σ = 233994828928. Its totient is φ = 54724032000.

The previous prime is 121020009961. The next prime is 121020010031. The reversal of 121020010012 is 210010020121.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 554364 + ... + 741187.

Almost surely, 2^121020010012 is an apocalyptic number.

It is an amenable number.

121020010012 is a deficient number, since it is larger than the sum of its proper divisors (112974818916).

121020010012 is a wasteful number, since it uses less digits than its factorization.

121020010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295770 (or 1295757 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 121020010012 its reverse (210010020121), we get a palindrome (331030030133).

The spelling of 121020010012 in words is "one hundred twenty-one billion, twenty million, ten thousand, twelve".