121010012 has 48 divisors (see below), whose sum is σ = 237636000. Its totient is φ = 53581824.

The previous prime is 121009997. The next prime is 121010033. The reversal of 121010012 is 210010121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295664 + ... + 296072.

It is an arithmetic number, because the mean of its divisors is an integer number (4950750).

Almost surely, 2^121010012 is an apocalyptic number.

It is an amenable number.

121010012 is a deficient number, since it is larger than the sum of its proper divisors (116625988).

121010012 is a wasteful number, since it uses less digits than its factorization.

121010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 121010012 is about 11000.4550814955. The cubic root of 121010012 is about 494.6223858846.

Adding to 121010012 its reverse (210010121), we get a palindrome (331020133).

The spelling of 121010012 in words is "one hundred twenty-one million, ten thousand, twelve".