12135504550330 has 96 divisors (see below), whose sum is σ = 25442944007040. Its totient is φ = 4155396336000.

The previous prime is 12135504550277. The next prime is 12135504550343. The reversal of 12135504550330 is 3305540553121.

It is a self number, because there is not a number n which added to its sum of digits gives 12135504550330.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1948223656 + ... + 1948229884.

It is an arithmetic number, because the mean of its divisors is an integer number (265030666740).

Almost surely, 2^{12135504550330} is an apocalyptic number.

12135504550330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12135504550330 is an abundant number, since it is smaller than the sum of its proper divisors (13307439456710).

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

12135504550330 is a wasteful number, since it uses less digits than its factorization.

12135504550330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10724 (or 10717 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 12135504550330 in words is "twelve trillion, one hundred thirty-five billion, five hundred four million, five hundred fifty thousand, three hundred thirty".