12136153426 has 16 divisors (see below), whose sum is σ = 19289099160. Its totient is φ = 5706973440.

The previous prime is 12136153411. The next prime is 12136153453. The reversal of 12136153426 is 62435163121.

It can be written as a sum of positive squares in 4 ways, for example, as 11070196225 + 1065957201 = 105215^2 + 32649^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 12136153391 and 12136153400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82281 + ... + 176188.

Almost surely, 2^12136153426 is an apocalyptic number.

12136153426 is a deficient number, since it is larger than the sum of its proper divisors (7152945734).

12136153426 is a wasteful number, since it uses less digits than its factorization.

12136153426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259869.

The product of its digits is 25920, while the sum is 34.

The spelling of 12136153426 in words is "twelve billion, one hundred thirty-six million, one hundred fifty-three thousand, four hundred twenty-six".