12201302134 has 24 divisors (see below), whose sum is σ = 21413120688. Its totient is φ = 5198896080.

The previous prime is 12201302089. The next prime is 12201302137. The reversal of 12201302134 is 43120310221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201302137) 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, 342882 + ... + 376789.

It is an arithmetic number, because the mean of its divisors is an integer number (892213362).

Almost surely, 2^12201302134 is an apocalyptic number.

12201302134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12201302134 is a deficient number, since it is larger than the sum of its proper divisors (9211818554).

12201302134 is a wasteful number, since it uses less digits than its factorization.

12201302134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719860 (or 719853 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12201302134 its reverse (43120310221), we get a palindrome (55321612355).

The spelling of 12201302134 in words is "twelve billion, two hundred one million, three hundred two thousand, one hundred thirty-four".