12121130334435 has 8 divisors (see below), whose sum is σ = 19393808535120. Its totient is φ = 6464602845024.

The previous prime is 12121130334431. The next prime is 12121130334463. The reversal of 12121130334435 is 53443303112121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12121130334435 - 2² = 12121130334431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12121130334396 and 12121130334405.

It is not an unprimeable number, because it can be changed into a prime (12121130334431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404037677800 + ... + 404037677829.

It is an arithmetic number, because the mean of its divisors is an integer number (2424226066890).

Almost surely, 2^{12121130334435} is an apocalyptic number.

12121130334435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12121130334435 is a deficient number, since it is larger than the sum of its proper divisors (7272678200685).

12121130334435 is an equidigital number, since it uses as much as digits as its factorization.

12121130334435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808075355637.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 12121130334435 its reverse (53443303112121), we get a palindrome (65564433446556).

The spelling of 12121130334435 in words is "twelve trillion, one hundred twenty-one billion, one hundred thirty million, three hundred thirty-four thousand, four hundred thirty-five".