1217561460232 has 16 divisors (see below), whose sum is σ = 2458537564140. Its totient is φ = 561951443136.

The previous prime is 1217561460209. The next prime is 1217561460233. The reversal of 1217561460232 is 2320641657121.

It can be written as a sum of positive squares in 2 ways, for example, as 1079217633316 + 138343826916 = 1038854^2 + 371946^2 .

It is not an unprimeable number, because it can be changed into a prime (1217561460233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5853660763 + ... + 5853660970.

Almost surely, 2^{1217561460232} is an apocalyptic number.

It is an amenable number.

1217561460232 is an abundant number, since it is smaller than the sum of its proper divisors (1240976103908).

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

1217561460232 is a wasteful number, since it uses less digits than its factorization.

1217561460232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11707321752 (or 11707321748 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 1217561460232 in words is "one trillion, two hundred seventeen billion, five hundred sixty-one million, four hundred sixty thousand, two hundred thirty-two".