12120881935 has 16 divisors (see below), whose sum is σ = 15728328576. Its totient is φ = 8932131328.

The previous prime is 12120881933. The next prime is 12120881953. The reversal of 12120881935 is 53918802121.

It is a cyclic number.

It is not a de Polignac number, because 12120881935 - 2¹ = 12120881933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120881933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513012 + ... + 1521001.

It is an arithmetic number, because the mean of its divisors is an integer number (983020536).

Almost surely, 2^12120881935 is an apocalyptic number.

12120881935 is a deficient number, since it is larger than the sum of its proper divisors (3607446641).

12120881935 is a wasteful number, since it uses less digits than its factorization.

12120881935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034082.

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 12120881935 in words is "twelve billion, one hundred twenty million, eight hundred eighty-one thousand, nine hundred thirty-five".