121303100312 has 32 divisors (see below), whose sum is σ = 235309838400. Its totient is φ = 58554230784.

The previous prime is 121303100299. The next prime is 121303100329. The reversal of 121303100312 is 213001303121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072248 + ... + 3111480.

It is an arithmetic number, because the mean of its divisors is an integer number (7353432450).

Almost surely, 2^121303100312 is an apocalyptic number.

It is an amenable number.

121303100312 is a deficient number, since it is larger than the sum of its proper divisors (114006738088).

121303100312 is a wasteful number, since it uses less digits than its factorization.

121303100312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52595 (or 52591 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121303100312 its reverse (213001303121), we get a palindrome (334304403433).

The spelling of 121303100312 in words is "one hundred twenty-one billion, three hundred three million, one hundred thousand, three hundred twelve".