128202343412 has 36 divisors (see below), whose sum is σ = 265025085696. Its totient is φ = 53791189920.

The previous prime is 128202343393. The next prime is 128202343429. The reversal of 128202343412 is 214343202821.

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, 8612948 + ... + 8627819.

It is an arithmetic number, because the mean of its divisors is an integer number (7361807936).

Almost surely, 2^128202343412 is an apocalyptic number.

It is an amenable number.

128202343412 is an abundant number, since it is smaller than the sum of its proper divisors (136822742284).

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

128202343412 is a wasteful number, since it uses less digits than its factorization.

128202343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17240808 (or 17240793 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 128202343412 in words is "one hundred twenty-eight billion, two hundred two million, three hundred forty-three thousand, four hundred twelve".