121234125030312 has 96 divisors (see below), whose sum is σ = 365573420337600. Its totient is φ = 32815251871488.

The previous prime is 121234125030311. The next prime is 121234125030329. The reversal of 121234125030312 is 213030521432121.

It is a self number, because there is not a number n which added to its sum of digits gives 121234125030312.

It is not an unprimeable number, because it can be changed into a prime (121234125030311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 999429237 + ... + 999550532.

It is an arithmetic number, because the mean of its divisors is an integer number (3808056461850).

Almost surely, 2^{121234125030312} is an apocalyptic number.

121234125030312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121234125030312 is an abundant number, since it is smaller than the sum of its proper divisors (244339295307288).

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

121234125030312 is a wasteful number, since it uses less digits than its factorization.

121234125030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998979823 (or 1998979800 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 121234125030312 its reverse (213030521432121), we get a palindrome (334264646462433).

The spelling of 121234125030312 in words is "one hundred twenty-one trillion, two hundred thirty-four billion, one hundred twenty-five million, thirty thousand, three hundred twelve".