1288201388338 has 8 divisors (see below), whose sum is σ = 1934161856640. Its totient is φ = 643480769460.

The previous prime is 1288201388333. The next prime is 1288201388351. The reversal of 1288201388338 is 8338831028821.

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

It is not an unprimeable number, because it can be changed into a prime (1288201388333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309959758 + ... + 309963913.

It is an arithmetic number, because the mean of its divisors is an integer number (241770232080).

Almost surely, 2^{1288201388338} is an apocalyptic number.

1288201388338 is a deficient number, since it is larger than the sum of its proper divisors (645960468302).

1288201388338 is a wasteful number, since it uses less digits than its factorization.

1288201388338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619924712.

The product of its (nonzero) digits is 3538944, while the sum is 55.

The spelling of 1288201388338 in words is "one trillion, two hundred eighty-eight billion, two hundred one million, three hundred eighty-eight thousand, three hundred thirty-eight".