1123444412312 has 16 divisors (see below), whose sum is σ = 2126909325840. Its totient is φ = 556268592096.

The previous prime is 1123444412243. The next prime is 1123444412351. The reversal of 1123444412312 is 2132144443211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681700883 + ... + 681702530.

It is an arithmetic number, because the mean of its divisors is an integer number (132931832865).

Almost surely, 2^{1123444412312} is an apocalyptic number.

It is an amenable number.

1123444412312 is a deficient number, since it is larger than the sum of its proper divisors (1003464913528).

1123444412312 is a wasteful number, since it uses less digits than its factorization.

1123444412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363403522 (or 1363403518 counting only the distinct ones).

The product of its digits is 18432, while the sum is 32.

Adding to 1123444412312 its reverse (2132144443211), we get a palindrome (3255588855523).

The spelling of 1123444412312 in words is "one trillion, one hundred twenty-three billion, four hundred forty-four million, four hundred twelve thousand, three hundred twelve".