12154133422 has 4 divisors (see below), whose sum is σ = 18231200136. Its totient is φ = 6077066710.

The previous prime is 12154133419. The next prime is 12154133447. The reversal of 12154133422 is 22433145121.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×12154133422³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038533354 + ... + 3038533357.

It is an arithmetic number, because the mean of its divisors is an integer number (4557800034).

Almost surely, 2^12154133422 is an apocalyptic number.

12154133422 is a deficient number, since it is larger than the sum of its proper divisors (6077066714).

12154133422 is an equidigital number, since it uses as much as digits as its factorization.

12154133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077066713.

The product of its digits is 5760, while the sum is 28.

Adding to 12154133422 its reverse (22433145121), we get a palindrome (34587278543).

The spelling of 12154133422 in words is "twelve billion, one hundred fifty-four million, one hundred thirty-three thousand, four hundred twenty-two".