1233203121222 has 32 divisors (see below), whose sum is σ = 2528064266112. Its totient is φ = 400823943744.

The previous prime is 1233203121197. The next prime is 1233203121229. The reversal of 1233203121222 is 2221213023321.

It is a junction number, because it is equal to n+sod(n) for n = 1233203121192 and 1233203121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233203121229) 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, 3919983 + ... + 4222874.

It is an arithmetic number, because the mean of its divisors is an integer number (79002008316).

Almost surely, 2^{1233203121222} is an apocalyptic number.

1233203121222 is an abundant number, since it is smaller than the sum of its proper divisors (1294861144890).

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

1233203121222 is a wasteful number, since it uses less digits than its factorization.

1233203121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143492.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1233203121222 its reverse (2221213023321), we get a palindrome (3454416144543).

The spelling of 1233203121222 in words is "one trillion, two hundred thirty-three billion, two hundred three million, one hundred twenty-one thousand, two hundred twenty-two".