12121131333330 has 96 divisors (see below), whose sum is σ = 33369816789504. Its totient is φ = 3042070092288.

The previous prime is 12121131333209. The next prime is 12121131333343. The reversal of 12121131333330 is 3333313112121.

12121131333330 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 11 + 313 + 3 + 3 + 330 = 666.

12121131333330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12121131333294 and 12121131333303.

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, 56691487 + ... + 56904893.

It is an arithmetic number, because the mean of its divisors is an integer number (347602258224).

Almost surely, 2^{12121131333330} is an apocalyptic number.

12121131333330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121131333330 is an abundant number, since it is smaller than the sum of its proper divisors (21248685456174).

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

12121131333330 is a wasteful number, since it uses less digits than its factorization.

12121131333330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250560 (or 250557 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 12121131333330 its reverse (3333313112121), we get a palindrome (15454444445451).

The spelling of 12121131333330 in words is "twelve trillion, one hundred twenty-one billion, one hundred thirty-one million, three hundred thirty-three thousand, three hundred thirty".