1232213332121 has 16 divisors (see below), whose sum is σ = 1262813513280. Its totient is φ = 1201985231040.

The previous prime is 1232213332037. The next prime is 1232213332127. The reversal of 1232213332121 is 1212333122321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232213332121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232213332127) 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, 12710051 + ... + 12806631.

It is an arithmetic number, because the mean of its divisors is an integer number (78925844580).

Almost surely, 2^{1232213332121} is an apocalyptic number.

It is an amenable number.

1232213332121 is a deficient number, since it is larger than the sum of its proper divisors (30600181159).

1232213332121 is a wasteful number, since it uses less digits than its factorization.

1232213332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98504.

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

Adding to 1232213332121 its reverse (1212333122321), we get a palindrome (2444546454442).

The spelling of 1232213332121 in words is "one trillion, two hundred thirty-two billion, two hundred thirteen million, three hundred thirty-two thousand, one hundred twenty-one".