121020210011212 has 48 divisors (see below), whose sum is σ = 214871381585280. Its totient is φ = 59629828848768.

The previous prime is 121020210011159. The next prime is 121020210011297. The reversal of 121020210011212 is 212110012020121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2796000123 + ... + 2796043405.

It is an arithmetic number, because the mean of its divisors is an integer number (4476487116360).

Almost surely, 2^{121020210011212} is an apocalyptic number.

It is an amenable number.

121020210011212 is a deficient number, since it is larger than the sum of its proper divisors (93851171574068).

121020210011212 is a wasteful number, since it uses less digits than its factorization.

121020210011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51382 (or 51380 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121020210011212 its reverse (212110012020121), we get a palindrome (333130222031333).

The spelling of 121020210011212 in words is "one hundred twenty-one trillion, twenty billion, two hundred ten million, eleven thousand, two hundred twelve".