121403153313212 has 12 divisors (see below), whose sum is σ = 212591099367360. Its totient is φ = 60662839208256.

The previous prime is 121403153313193. The next prime is 121403153313259. The reversal of 121403153313212 is 212313351304121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9684355037 + ... + 9684367572.

It is an arithmetic number, because the mean of its divisors is an integer number (17715924947280).

Almost surely, 2^{121403153313212} is an apocalyptic number.

It is an amenable number.

121403153313212 is a deficient number, since it is larger than the sum of its proper divisors (91187946054148).

121403153313212 is a wasteful number, since it uses less digits than its factorization.

121403153313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19368724180 (or 19368724178 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 121403153313212 in words is "one hundred twenty-one trillion, four hundred three billion, one hundred fifty-three million, three hundred thirteen thousand, two hundred twelve".