121032313111205 has 48 divisors (see below), whose sum is σ = 155459550993408. Its totient is φ = 90428849280000.

The previous prime is 121032313111181. The next prime is 121032313111211. The reversal of 121032313111205 is 502111313230121.

It is a happy number.

It is not a de Polignac number, because 121032313111205 - 2¹⁶ = 121032313045669 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 1480277525 + ... + 1480359285.

It is an arithmetic number, because the mean of its divisors is an integer number (3238740645696).

Almost surely, 2^{121032313111205} is an apocalyptic number.

It is an amenable number.

121032313111205 is a deficient number, since it is larger than the sum of its proper divisors (34427237882203).

121032313111205 is a wasteful number, since it uses less digits than its factorization.

121032313111205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93426 (or 93407 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 121032313111205 its reverse (502111313230121), we get a palindrome (623143626341326).

The spelling of 121032313111205 in words is "one hundred twenty-one trillion, thirty-two billion, three hundred thirteen million, one hundred eleven thousand, two hundred five".