1213032422234 has 4 divisors (see below), whose sum is σ = 1819548633354. Its totient is φ = 606516211116.

The previous prime is 1213032422197. The next prime is 1213032422237. The reversal of 1213032422234 is 4322242303121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1155631450009 + 57400972225 = 1075003^2 + 239585^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1213032422197 and 1213032422206.

It is not an unprimeable number, because it can be changed into a prime (1213032422237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303258105557 + ... + 303258105560.

Almost surely, 2^{1213032422234} is an apocalyptic number.

1213032422234 is a deficient number, since it is larger than the sum of its proper divisors (606516211120).

1213032422234 is an equidigital number, since it uses as much as digits as its factorization.

1213032422234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606516211119.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1213032422234 its reverse (4322242303121), we get a palindrome (5535274725355).

The spelling of 1213032422234 in words is "one trillion, two hundred thirteen billion, thirty-two million, four hundred twenty-two thousand, two hundred thirty-four".