129403681102 has 16 divisors (see below), whose sum is σ = 204350889600. Its totient is φ = 61287694200.

The previous prime is 129403681093. The next prime is 129403681103. The reversal of 129403681102 is 201186304921.

It is a super-2 number, since 2×129403681102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129403681103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28477 + ... + 509527.

It is an arithmetic number, because the mean of its divisors is an integer number (12771930600).

Almost surely, 2^129403681102 is an apocalyptic number.

129403681102 is a deficient number, since it is larger than the sum of its proper divisors (74947208498).

129403681102 is a wasteful number, since it uses less digits than its factorization.

129403681102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488151.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 129403681102 in words is "one hundred twenty-nine billion, four hundred three million, six hundred eighty-one thousand, one hundred two".