128467212115 has 8 divisors (see below), whose sum is σ = 168175259568. Its totient is φ = 93430699680.

The previous prime is 128467212113. The next prime is 128467212151. The reversal of 128467212115 is 511212764821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128467212115 - 2¹ = 128467212113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128467212113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167883692 + ... + 1167883801.

It is an arithmetic number, because the mean of its divisors is an integer number (21021907446).

Almost surely, 2^128467212115 is an apocalyptic number.

128467212115 is a deficient number, since it is larger than the sum of its proper divisors (39708047453).

128467212115 is a wasteful number, since it uses less digits than its factorization.

128467212115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2335767509.

The product of its digits is 53760, while the sum is 40.

Adding to 128467212115 its reverse (511212764821), we get a palindrome (639679976936).

The spelling of 128467212115 in words is "one hundred twenty-eight billion, four hundred sixty-seven million, two hundred twelve thousand, one hundred fifteen".