1216460232 has 48 divisors (see below), whose sum is σ = 3548011740. Its totient is φ = 374295168.

The previous prime is 1216460221. The next prime is 1216460263. The reversal of 1216460232 is 2320646121.

1216460232 is a `hidden beast` number, since 1 + 21 + 6 + 4 + 602 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1125334116 + 91126116 = 33546^2 + 9546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1216460196 and 1216460205.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 648883 + ... + 650754.

Almost surely, 2^1216460232 is an apocalyptic number.

1216460232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1216460232 is an abundant number, since it is smaller than the sum of its proper divisors (2331551508).

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

1216460232 is a wasteful number, since it uses less digits than its factorization.

1216460232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299662 (or 1299655 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1216460232 is about 34877.7899529199. The cubic root of 1216460232 is about 1067.4953008183.

The spelling of 1216460232 in words is "one billion, two hundred sixteen million, four hundred sixty thousand, two hundred thirty-two".