1123021131232 has 192 divisors, whose sum is σ = 3124786291200. Its totient is φ = 382626478080.

The previous prime is 1123021131229. The next prime is 1123021131257. The reversal of 1123021131232 is 2321311203211.

It is a super-2 number, since 2×1123021131232² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314007 + ... + 1531222.

It is an arithmetic number, because the mean of its divisors is an integer number (16274928600).

Almost surely, 2^{1123021131232} is an apocalyptic number.

It is an amenable number.

1123021131232 is an abundant number, since it is smaller than the sum of its proper divisors (2001765159968).

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

1123021131232 is a wasteful number, since it uses less digits than its factorization.

1123021131232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845289 (or 1845281 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1123021131232 its reverse (2321311203211), we get a palindrome (3444332334443).

The spelling of 1123021131232 in words is "one trillion, one hundred twenty-three billion, twenty-one million, one hundred thirty-one thousand, two hundred thirty-two".