1228559252999 has 8 divisors (see below), whose sum is σ = 1323498928752. Its totient is φ = 1133681736960.

The previous prime is 1228559252983. The next prime is 1228559253007. The reversal of 1228559252999 is 9992529558221.

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

It is a cyclic number.

It is not a de Polignac number, because 1228559252999 - 2⁴ = 1228559252983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228559252969) 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, 15498869 + ... + 15577934.

It is an arithmetic number, because the mean of its divisors is an integer number (165437366094).

Almost surely, 2^{1228559252999} is an apocalyptic number.

1228559252999 is a deficient number, since it is larger than the sum of its proper divisors (94939675753).

1228559252999 is a wasteful number, since it uses less digits than its factorization.

1228559252999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31079857.

The product of its digits is 104976000, while the sum is 68.

The spelling of 1228559252999 in words is "one trillion, two hundred twenty-eight billion, five hundred fifty-nine million, two hundred fifty-two thousand, nine hundred ninety-nine".