12136122346 has 8 divisors (see below), whose sum is σ = 18282313764. Its totient is φ = 6042017760.

The previous prime is 12136122337. The next prime is 12136122353. The reversal of 12136122346 is 64322163121.

It can be written as a sum of positive squares in 2 ways, for example, as 11371876321 + 764246025 = 106639^2 + 27645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13021125 + ... + 13022056.

Almost surely, 2^12136122346 is an apocalyptic number.

12136122346 is a deficient number, since it is larger than the sum of its proper divisors (6146191418).

12136122346 is a wasteful number, since it uses less digits than its factorization.

12136122346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26043416.

The product of its digits is 10368, while the sum is 31.

Adding to 12136122346 its reverse (64322163121), we get a palindrome (76458285467).

The spelling of 12136122346 in words is "twelve billion, one hundred thirty-six million, one hundred twenty-two thousand, three hundred forty-six".