129029885058 has 32 divisors (see below), whose sum is σ = 271677528000. Its totient is φ = 40740929856.

The previous prime is 129029885057. The next prime is 129029885059. The reversal of 129029885058 is 850588920921.

It is an interprime number because it is at equal distance from previous prime (129029885057) and next prime (129029885059).

It is a super-2 number, since 2×129029885058² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 129029884989 and 129029885007.

It is not an unprimeable number, because it can be changed into a prime (129029885057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847768 + ... + 988316.

It is an arithmetic number, because the mean of its divisors is an integer number (8489922750).

Almost surely, 2^129029885058 is an apocalyptic number.

129029885058 is an abundant number, since it is smaller than the sum of its proper divisors (142647642942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129029885058 is a wasteful number, since it uses less digits than its factorization.

129029885058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148626.

The product of its (nonzero) digits is 4147200, while the sum is 57.

The spelling of 129029885058 in words is "one hundred twenty-nine billion, twenty-nine million, eight hundred eighty-five thousand, fifty-eight".