129282261582 has 32 divisors (see below), whose sum is σ = 259559121312. Its totient is φ = 42928395264.

The previous prime is 129282261553. The next prime is 129282261617. The reversal of 129282261582 is 285162282921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11084698 + ... + 11096354.

It is an arithmetic number, because the mean of its divisors is an integer number (8111222541).

Almost surely, 2^129282261582 is an apocalyptic number.

129282261582 is an abundant number, since it is smaller than the sum of its proper divisors (130276859730).

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

129282261582 is a wasteful number, since it uses less digits than its factorization.

129282261582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18612.

The product of its digits is 552960, while the sum is 48.

The spelling of 129282261582 in words is "one hundred twenty-nine billion, two hundred eighty-two million, two hundred sixty-one thousand, five hundred eighty-two".