12120500350003 has 4 divisors (see below), whose sum is σ = 12121891441048. Its totient is φ = 12119109258960.

The previous prime is 12120500349983. The next prime is 12120500350069. The reversal of 12120500350003 is 30005300502121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12120500350003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120500350073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695532453 + ... + 695549878.

It is an arithmetic number, because the mean of its divisors is an integer number (3030472860262).

Almost surely, 2^{12120500350003} is an apocalyptic number.

12120500350003 is a deficient number, since it is larger than the sum of its proper divisors (1391091045).

12120500350003 is an equidigital number, since it uses as much as digits as its factorization.

12120500350003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391091044.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 12120500350003 its reverse (30005300502121), we get a palindrome (42125800852124).

The spelling of 12120500350003 in words is "twelve trillion, one hundred twenty billion, five hundred million, three hundred fifty thousand, three".