12069129435 has 16 divisors (see below), whose sum is σ = 21066117120. Its totient is φ = 5851699040.

The previous prime is 12069129407. The next prime is 12069129509. The reversal of 12069129435 is 53492196021.

It is not a de Polignac number, because 12069129435 - 2¹² = 12069125339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36572955 + ... + 36573284.

It is an arithmetic number, because the mean of its divisors is an integer number (1316632320).

Almost surely, 2^12069129435 is an apocalyptic number.

12069129435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12069129435 is a deficient number, since it is larger than the sum of its proper divisors (8996987685).

12069129435 is a wasteful number, since it uses less digits than its factorization.

12069129435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73146258.

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 12069129435 in words is "twelve billion, sixty-nine million, one hundred twenty-nine thousand, four hundred thirty-five".