128253712302 has 24 divisors (see below), whose sum is σ = 277889832480. Its totient is φ = 42750192960.

The previous prime is 128253712297. The next prime is 128253712369. The reversal of 128253712302 is 203217352821.

128253712302 is a `hidden beast` number, since 1 + 2 + 82 + 537 + 12 + 30 + 2 = 666.

It is a super-2 number, since 2×128253712302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130427 + ... + 1238697.

It is an arithmetic number, because the mean of its divisors is an integer number (11578743020).

Almost surely, 2^128253712302 is an apocalyptic number.

128253712302 is an abundant number, since it is smaller than the sum of its proper divisors (149636120178).

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

128253712302 is a wasteful number, since it uses less digits than its factorization.

128253712302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174088 (or 174085 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 128253712302 in words is "one hundred twenty-eight billion, two hundred fifty-three million, seven hundred twelve thousand, three hundred two".