12106402338 has 16 divisors (see below), whose sum is σ = 25637087520. Its totient is φ = 3798086976.

The previous prime is 12106402333. The next prime is 12106402369. The reversal of 12106402338 is 83320460121.

It is not an unprimeable number, because it can be changed into a prime (12106402333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59345008 + ... + 59345211.

It is an arithmetic number, because the mean of its divisors is an integer number (1602317970).

Almost surely, 2^12106402338 is an apocalyptic number.

12106402338 is an abundant number, since it is smaller than the sum of its proper divisors (13530685182).

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

12106402338 is a wasteful number, since it uses less digits than its factorization.

12106402338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118690241.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 12106402338 its reverse (83320460121), we get a palindrome (95426862459).

The spelling of 12106402338 in words is "twelve billion, one hundred six million, four hundred two thousand, three hundred thirty-eight".