1123031132112 has 40 divisors (see below), whose sum is σ = 2950336032480. Its totient is φ = 367998901120.

The previous prime is 1123031132071. The next prime is 1123031132123. The reversal of 1123031132112 is 2112311303211.

It is a super-2 number, since 2×1123031132112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198272439 + ... + 198278102.

It is an arithmetic number, because the mean of its divisors is an integer number (73758400812).

Almost surely, 2^{1123031132112} is an apocalyptic number.

1123031132112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123031132112 is an abundant number, since it is smaller than the sum of its proper divisors (1827304900368).

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

1123031132112 is a wasteful number, since it uses less digits than its factorization.

1123031132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396550611 (or 396550605 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1123031132112 its reverse (2112311303211), we get a palindrome (3235342435323).

The spelling of 1123031132112 in words is "one trillion, one hundred twenty-three billion, thirty-one million, one hundred thirty-two thousand, one hundred twelve".