129882870036 has 48 divisors (see below), whose sum is σ = 337035142080. Its totient is φ = 43255490400.

The previous prime is 129882869999. The next prime is 129882870037. The reversal of 129882870036 is 630078288921.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129882870037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417690 + ... + 658961.

It is an arithmetic number, because the mean of its divisors is an integer number (7021565460).

Almost surely, 2^129882870036 is an apocalyptic number.

It is an amenable number.

129882870036 is an abundant number, since it is smaller than the sum of its proper divisors (207152272044).

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

129882870036 is a wasteful number, since it uses less digits than its factorization.

129882870036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077781 (or 1077773 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 129882870036 in words is "one hundred twenty-nine billion, eight hundred eighty-two million, eight hundred seventy thousand, thirty-six".