121032100312 has 32 divisors (see below), whose sum is σ = 231154044480. Its totient is φ = 59395311360.

The previous prime is 121032100309. The next prime is 121032100351. The reversal of 121032100312 is 213001230121.

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 7 ways as a sum of consecutive naturals, for example, 41893 + ... + 493780.

It is an arithmetic number, because the mean of its divisors is an integer number (7223563890).

Almost surely, 2^121032100312 is an apocalyptic number.

It is an amenable number.

121032100312 is a deficient number, since it is larger than the sum of its proper divisors (110121944168).

121032100312 is a wasteful number, since it uses less digits than its factorization.

121032100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536203 (or 536199 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121032100312 its reverse (213001230121), we get a palindrome (334033330433).

The spelling of 121032100312 in words is "one hundred twenty-one billion, thirty-two million, one hundred thousand, three hundred twelve".