121342310403312 has 80 divisors (see below), whose sum is σ = 329969178993920. Its totient is φ = 38318247244800.

The previous prime is 121342310403299. The next prime is 121342310403367. The reversal of 121342310403312 is 213304013243121.

It is a self number, because there is not a number n which added to its sum of digits gives 121342310403312.

It is a congruent number.

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, 100661112 + ... + 101859432.

It is an arithmetic number, because the mean of its divisors is an integer number (4124614737424).

Almost surely, 2^{121342310403312} is an apocalyptic number.

121342310403312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121342310403312 is an abundant number, since it is smaller than the sum of its proper divisors (208626868590608).

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

121342310403312 is a wasteful number, since it uses less digits than its factorization.

121342310403312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309382 (or 1309376 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 121342310403312 its reverse (213304013243121), we get a palindrome (334646323646433).

The spelling of 121342310403312 in words is "one hundred twenty-one trillion, three hundred forty-two billion, three hundred ten million, four hundred three thousand, three hundred twelve".