1217273200652 has 12 divisors (see below), whose sum is σ = 2131257708720. Its totient is φ = 608342426736.

The previous prime is 1217273200613. The next prime is 1217273200711. The reversal of 1217273200652 is 2560023727121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73534088 + ... + 73550639.

It is an arithmetic number, because the mean of its divisors is an integer number (177604809060).

Almost surely, 2^{1217273200652} is an apocalyptic number.

It is an amenable number.

1217273200652 is a deficient number, since it is larger than the sum of its proper divisors (913984508068).

1217273200652 is a wasteful number, since it uses less digits than its factorization.

1217273200652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147086800 (or 147086798 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

Adding to 1217273200652 its reverse (2560023727121), we get a palindrome (3777296927773).

The spelling of 1217273200652 in words is "one trillion, two hundred seventeen billion, two hundred seventy-three million, two hundred thousand, six hundred fifty-two".