121101202312 has 64 divisors (see below), whose sum is σ = 249612030000. Its totient is φ = 54824534016.

The previous prime is 121101202297. The next prime is 121101202349. The reversal of 121101202312 is 213202101121.

121101202312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 94621451236 + 26479751076 = 307606^2 + 162726^2 .

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, 1037064 + ... + 1147912.

Almost surely, 2^121101202312 is an apocalyptic number.

It is an amenable number.

121101202312 is an abundant number, since it is smaller than the sum of its proper divisors (128510827688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121101202312 is a wasteful number, since it uses less digits than its factorization.

121101202312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111178 (or 111174 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121101202312 its reverse (213202101121), we get a palindrome (334303303433).

The spelling of 121101202312 in words is "one hundred twenty-one billion, one hundred one million, two hundred two thousand, three hundred twelve".