1123433212242 has 48 divisors (see below), whose sum is σ = 2491552052640. Its totient is φ = 337421589120.

The previous prime is 1123433212189. The next prime is 1123433212247. The reversal of 1123433212242 is 2422123343211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1123433212247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6764992 + ... + 6929067.

It is an arithmetic number, because the mean of its divisors is an integer number (51907334430).

Almost surely, 2^{1123433212242} is an apocalyptic number.

1123433212242 is an abundant number, since it is smaller than the sum of its proper divisors (1368118840398).

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

1123433212242 is a wasteful number, since it uses less digits than its factorization.

1123433212242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13694199 (or 13694188 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

Adding to 1123433212242 its reverse (2422123343211), we get a palindrome (3545556555453).

It can be divided in two parts, 11234 and 33212242, that added together give a triangular number (33223476 = T₈₁₅₁).

The spelling of 1123433212242 in words is "one trillion, one hundred twenty-three billion, four hundred thirty-three million, two hundred twelve thousand, two hundred forty-two".