1217327744252 has 12 divisors (see below), whose sum is σ = 2159506067376. Its totient is φ = 600326010720.

The previous prime is 1217327744249. The next prime is 1217327744317. The reversal of 1217327744252 is 2524477237121.

It is a junction number, because it is equal to n+sod(n) for n = 1217327744197 and 1217327744206.

It is a congruent number.

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, 2084465024 + ... + 2084465607.

It is an arithmetic number, because the mean of its divisors is an integer number (179958838948).

Almost surely, 2^{1217327744252} is an apocalyptic number.

It is an amenable number.

1217327744252 is a deficient number, since it is larger than the sum of its proper divisors (942178323124).

1217327744252 is a wasteful number, since it uses less digits than its factorization.

1217327744252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168930708 (or 4168930706 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 47.

The spelling of 1217327744252 in words is "one trillion, two hundred seventeen billion, three hundred twenty-seven million, seven hundred forty-four thousand, two hundred fifty-two".