1123032230012 has 24 divisors (see below), whose sum is σ = 2450252138880. Its totient is φ = 437545024560.

The previous prime is 1123032230011. The next prime is 1123032230029. The reversal of 1123032230012 is 2100322303211.

It is a super-2 number, since 2×1123032230012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123032230011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823103962 + ... + 1823104577.

It is an arithmetic number, because the mean of its divisors is an integer number (102093839120).

Almost surely, 2^{1123032230012} is an apocalyptic number.

It is an amenable number.

1123032230012 is an abundant number, since it is smaller than the sum of its proper divisors (1327219908868).

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

1123032230012 is a wasteful number, since it uses less digits than its factorization.

1123032230012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646208561 (or 3646208559 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1123032230012 its reverse (2100322303211), we get a palindrome (3223354533223).

The spelling of 1123032230012 in words is "one trillion, one hundred twenty-three billion, thirty-two million, two hundred thirty thousand, twelve".