128201453703312 has 40 divisors (see below), whose sum is σ = 361295005892640. Its totient is φ = 38848925364480.

The previous prime is 128201453703293. The next prime is 128201453703361. The reversal of 128201453703312 is 213307354102821.

It is a super-2 number, since 2×128201453703312² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121402891237 + ... + 121402892292.

It is an arithmetic number, because the mean of its divisors is an integer number (9032375147316).

Almost surely, 2^{128201453703312} is an apocalyptic number.

128201453703312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128201453703312 is an abundant number, since it is smaller than the sum of its proper divisors (233093552189328).

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

128201453703312 is a wasteful number, since it uses less digits than its factorization.

128201453703312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242805783551 (or 242805783545 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 128201453703312 in words is "one hundred twenty-eight trillion, two hundred one billion, four hundred fifty-three million, seven hundred three thousand, three hundred twelve".