12152120403 has 16 divisors (see below), whose sum is σ = 16971609600. Its totient is φ = 7719702144.

The previous prime is 12152120399. The next prime is 12152120413. The reversal of 12152120403 is 30402125121.

It is not a de Polignac number, because 12152120403 - 2² = 12152120399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12152120403.

It is not an unprimeable number, because it can be changed into a prime (12152120413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316678 + ... + 352971.

It is an arithmetic number, because the mean of its divisors is an integer number (1060725600).

Almost surely, 2^12152120403 is an apocalyptic number.

12152120403 is a deficient number, since it is larger than the sum of its proper divisors (4819489197).

12152120403 is a wasteful number, since it uses less digits than its factorization.

12152120403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669938.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12152120403 its reverse (30402125121), we get a palindrome (42554245524).

The spelling of 12152120403 in words is "twelve billion, one hundred fifty-two million, one hundred twenty thousand, four hundred three".