12135126228098 has 16 divisors (see below), whose sum is σ = 19303503571224. Its totient is φ = 5701738659840.

The previous prime is 12135126228059. The next prime is 12135126228101. The reversal of 12135126228098 is 89082262153121.

It can be written as a sum of positive squares in 4 ways, for example, as 12034051194169 + 101075033929 = 3469013^2 + 317923^2 .

It is a super-2 number, since 2×12135126228098² (a number of 27 digits) contains 22 as substring.

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, 278383415 + ... + 278427002.

Almost surely, 2^{12135126228098} is an apocalyptic number.

12135126228098 is a deficient number, since it is larger than the sum of its proper divisors (7168377343126).

12135126228098 is a wasteful number, since it uses less digits than its factorization.

12135126228098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556811077.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 12135126228098 in words is "twelve trillion, one hundred thirty-five billion, one hundred twenty-six million, two hundred twenty-eight thousand, ninety-eight".