1217107247152 has 20 divisors (see below), whose sum is σ = 2358186175800. Its totient is φ = 608543072768.

The previous prime is 1217107247149. The next prime is 1217107247179. The reversal of 1217107247152 is 2517427017121.

It is a super-2 number, since 2×1217107247152² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337983 + ... + 1596385.

It is an arithmetic number, because the mean of its divisors is an integer number (117909308790).

Almost surely, 2^{1217107247152} is an apocalyptic number.

It is an amenable number.

1217107247152 is a deficient number, since it is larger than the sum of its proper divisors (1141078928648).

1217107247152 is a wasteful number, since it uses less digits than its factorization.

1217107247152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318860 (or 1318854 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 40.

The spelling of 1217107247152 in words is "one trillion, two hundred seventeen billion, one hundred seven million, two hundred forty-seven thousand, one hundred fifty-two".