1123221232132 has 36 divisors (see below), whose sum is σ = 2038814826048. Its totient is φ = 541427139600.

The previous prime is 1123221232127. The next prime is 1123221232139. The reversal of 1123221232132 is 2312321223211.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1123221232097 and 1123221232106.

It is not an unprimeable number, because it can be changed into a prime (1123221232139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455457 + ... + 1566487.

It is an arithmetic number, because the mean of its divisors is an integer number (56633745168).

Almost surely, 2^{1123221232132} is an apocalyptic number.

It is an amenable number.

1123221232132 is a deficient number, since it is larger than the sum of its proper divisors (915593593916).

1123221232132 is a wasteful number, since it uses less digits than its factorization.

1123221232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111360 (or 1111327 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 1123221232132 its reverse (2312321223211), we get a palindrome (3435542455343).

The spelling of 1123221232132 in words is "one trillion, one hundred twenty-three billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-two".