121303212202312 has 32 divisors (see below), whose sum is σ = 259949081174400. Its totient is φ = 51984365652864.

The previous prime is 121303212202307. The next prime is 121303212202357. The reversal of 121303212202312 is 213202212303121.

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, 55698933 + ... + 57835780.

It is an arithmetic number, because the mean of its divisors is an integer number (8123408786700).

Almost surely, 2^{121303212202312} is an apocalyptic number.

It is an amenable number.

121303212202312 is an abundant number, since it is smaller than the sum of its proper divisors (138645868972088).

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

121303212202312 is a wasteful number, since it uses less digits than its factorization.

121303212202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113553805 (or 113553801 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 121303212202312 its reverse (213202212303121), we get a palindrome (334505424505433).

The spelling of 121303212202312 in words is "one hundred twenty-one trillion, three hundred three billion, two hundred twelve million, two hundred two thousand, three hundred twelve".