12122311302 has 24 divisors (see below), whose sum is σ = 26275238184. Its totient is φ = 4039196544.

The previous prime is 12122311301. The next prime is 12122311351. The reversal of 12122311302 is 20311322121.

12122311302 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122311301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83188 + ... + 176535.

It is an arithmetic number, because the mean of its divisors is an integer number (1094801591).

Almost surely, 2^12122311302 is an apocalyptic number.

12122311302 is an abundant number, since it is smaller than the sum of its proper divisors (14152926882).

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

12122311302 is a wasteful number, since it uses less digits than its factorization.

12122311302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262324 (or 262321 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12122311302 its reverse (20311322121), we get a palindrome (32433633423).

The spelling of 12122311302 in words is "twelve billion, one hundred twenty-two million, three hundred eleven thousand, three hundred two".