1217398013132 has 24 divisors (see below), whose sum is σ = 2434895996064. Its totient is φ = 521720583552.

The previous prime is 1217398013071. The next prime is 1217398013191. The reversal of 1217398013132 is 2313108937121.

It is a self number, because there is not a number n which added to its sum of digits gives 1217398013132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188723 + ... + 1571754.

It is an arithmetic number, because the mean of its divisors is an integer number (101453999836).

Almost surely, 2^{1217398013132} is an apocalyptic number.

It is an amenable number.

1217398013132 is an abundant number, since it is smaller than the sum of its proper divisors (1217497982932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1217398013132 is a wasteful number, since it uses less digits than its factorization.

1217398013132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785185 (or 1785183 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 1217398013132 in words is "one trillion, two hundred seventeen billion, three hundred ninety-eight million, thirteen thousand, one hundred thirty-two".