129412132043831 has 8 divisors (see below), whose sum is σ = 159276470207904. Its totient is φ = 102392016562080.

The previous prime is 129412132043819. The next prime is 129412132043837. The reversal of 129412132043831 is 138340231214921.

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

It is not a de Polignac number, because 129412132043831 - 2³⁸ = 129137254136887 is a prime.

It is a super-2 number, since 2×129412132043831² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129412132043837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711055670480 + ... + 711055670661.

It is an arithmetic number, because the mean of its divisors is an integer number (19909558775988).

Almost surely, 2^{129412132043831} is an apocalyptic number.

129412132043831 is a deficient number, since it is larger than the sum of its proper divisors (29864338164073).

129412132043831 is a wasteful number, since it uses less digits than its factorization.

129412132043831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422111341161.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 129412132043831 in words is "one hundred twenty-nine trillion, four hundred twelve billion, one hundred thirty-two million, forty-three thousand, eight hundred thirty-one".