1213203232160 has 24 divisors (see below), whose sum is σ = 2866192636356. Its totient is φ = 485281292800.

The previous prime is 1213203232159. The next prime is 1213203232211. The reversal of 1213203232160 is 612323023121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1095463662736 + 117739569424 = 1046644^2 + 343132^2 .

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, 3791259941 + ... + 3791260260.

Almost surely, 2^{1213203232160} is an apocalyptic number.

1213203232160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1213203232160 is an abundant number, since it is smaller than the sum of its proper divisors (1652989404196).

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

1213203232160 is an equidigital number, since it uses as much as digits as its factorization.

1213203232160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7582520216 (or 7582520208 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 1213203232160 its reverse (612323023121), we get a palindrome (1825526255281).

The spelling of 1213203232160 in words is "one trillion, two hundred thirteen billion, two hundred three million, two hundred thirty-two thousand, one hundred sixty".