121230021313312 has 48 divisors (see below), whose sum is σ = 251560181771640. Its totient is φ = 57420595628032.

The previous prime is 121230021313267. The next prime is 121230021313361. The reversal of 121230021313312 is 213313120032121.

It can be written as a sum of positive squares in 4 ways, for example, as 120422618428176 + 807402885136 = 10973724^2 + 898556^2 .

It is a super-3 number, since 3×121230021313312³ (a number of 43 digits) contains 333 as substring.

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, 1232364013 + ... + 1232462380.

Almost surely, 2^{121230021313312} is an apocalyptic number.

It is an amenable number.

121230021313312 is an abundant number, since it is smaller than the sum of its proper divisors (130330160458328).

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

121230021313312 is a wasteful number, since it uses less digits than its factorization.

121230021313312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464826485 (or 2464826477 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121230021313312 its reverse (213313120032121), we get a palindrome (334543141345433).

The spelling of 121230021313312 in words is "one hundred twenty-one trillion, two hundred thirty billion, twenty-one million, three hundred thirteen thousand, three hundred twelve".