1213232412211 has 16 divisors (see below), whose sum is σ = 1290283720704. Its totient is φ = 1136818134144.

The previous prime is 1213232412191. The next prime is 1213232412221. The reversal of 1213232412211 is 1122142323121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1213232412211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213232412221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7190926 + ... + 7357708.

It is an arithmetic number, because the mean of its divisors is an integer number (80642732544).

Almost surely, 2^{1213232412211} is an apocalyptic number.

1213232412211 is a deficient number, since it is larger than the sum of its proper divisors (77051308493).

1213232412211 is a wasteful number, since it uses less digits than its factorization.

1213232412211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168690.

The product of its digits is 1152, while the sum is 25.

Adding to 1213232412211 its reverse (1122142323121), we get a palindrome (2335374735332).

The spelling of 1213232412211 in words is "one trillion, two hundred thirteen billion, two hundred thirty-two million, four hundred twelve thousand, two hundred eleven".