121003121212 has 12 divisors (see below), whose sum is σ = 211758911280. Its totient is φ = 60500575136.

The previous prime is 121003121207. The next prime is 121003121287. The reversal of 121003121212 is 212121300121.

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 3 ways as a sum of consecutive naturals, for example, 77088 + ... + 497944.

It is an arithmetic number, because the mean of its divisors is an integer number (17646575940).

Almost surely, 2^121003121212 is an apocalyptic number.

It is an amenable number.

121003121212 is a deficient number, since it is larger than the sum of its proper divisors (90755790068).

121003121212 is a wasteful number, since it uses less digits than its factorization.

121003121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492740 (or 492738 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121003121212 its reverse (212121300121), we get a palindrome (333124421333).

The spelling of 121003121212 in words is "one hundred twenty-one billion, three million, one hundred twenty-one thousand, two hundred twelve".