12251211303 has 16 divisors (see below), whose sum is σ = 17505847296. Its totient is φ = 7601220000.

The previous prime is 12251211289. The next prime is 12251211359. The reversal of 12251211303 is 30311215221.

It is not a de Polignac number, because 12251211303 - 2⁶ = 12251211239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12251211303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251211373) 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, 2396823 + ... + 2401928.

It is an arithmetic number, because the mean of its divisors is an integer number (1094115456).

Almost surely, 2^12251211303 is an apocalyptic number.

12251211303 is a deficient number, since it is larger than the sum of its proper divisors (5254635993).

12251211303 is a wasteful number, since it uses less digits than its factorization.

12251211303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798814.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 12251211303 its reverse (30311215221), we get a palindrome (42562426524).

The spelling of 12251211303 in words is "twelve billion, two hundred fifty-one million, two hundred eleven thousand, three hundred three".