3405120306129 has 6 divisors (see below), whose sum is σ = 4918507108866. Its totient is φ = 2270080204080.

The previous prime is 3405120306127. The next prime is 3405120306187. The reversal of 3405120306129 is 9216030215043.

3405120306129 is a `hidden beast` number, since 3 + 4 + 0 + 5 + 1 + 2 + 0 + 30 + 612 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3014470305729 + 390650000400 = 1736223^2 + 625020^2 .

It is not a de Polignac number, because 3405120306129 - 2¹ = 3405120306127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3405120306093 and 3405120306102.

It is not an unprimeable number, because it can be changed into a prime (3405120306127) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 189173350332 + ... + 189173350349.

It is an arithmetic number, because the mean of its divisors is an integer number (819751184811).

Almost surely, 2^{3405120306129} is an apocalyptic number.

It is an amenable number.

3405120306129 is a deficient number, since it is larger than the sum of its proper divisors (1513386802737).

3405120306129 is a wasteful number, since it uses less digits than its factorization.

3405120306129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378346700687 (or 378346700684 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 3405120306129 in words is "three trillion, four hundred five billion, one hundred twenty million, three hundred six thousand, one hundred twenty-nine".