12156442333435 has 8 divisors (see below), whose sum is σ = 14692678504560. Its totient is φ = 9655188730464.

The previous prime is 12156442333421. The next prime is 12156442333457. The reversal of 12156442333435 is 53433324465121.

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

It is a cyclic number.

It is not a de Polignac number, because 12156442333435 - 2⁷ = 12156442333307 is a prime.

It is a super-2 number, since 2×12156442333435² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8745641272 + ... + 8745642661.

It is an arithmetic number, because the mean of its divisors is an integer number (1836584813070).

Almost surely, 2^{12156442333435} is an apocalyptic number.

12156442333435 is a deficient number, since it is larger than the sum of its proper divisors (2536236171125).

12156442333435 is a wasteful number, since it uses less digits than its factorization.

12156442333435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17491284077.

The product of its digits is 3110400, while the sum is 46.

Adding to 12156442333435 its reverse (53433324465121), we get a palindrome (65589766798556).

The spelling of 12156442333435 in words is "twelve trillion, one hundred fifty-six billion, four hundred forty-two million, three hundred thirty-three thousand, four hundred thirty-five".