1123211232999 has 64 divisors (see below), whose sum is σ = 1695344640000. Its totient is φ = 734861393280.

The previous prime is 1123211232973. The next prime is 1123211233019. The reversal of 1123211232999 is 9992321123211.

1123211232999 is a `hidden beast` number, since 1 + 1 + 2 + 321 + 1 + 232 + 9 + 99 = 666.

It is not a de Polignac number, because 1123211232999 - 2⁹ = 1123211232487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123211231999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 258266677 + ... + 258271025.

It is an arithmetic number, because the mean of its divisors is an integer number (26489760000).

Almost surely, 2^{1123211232999} is an apocalyptic number.

1123211232999 is a deficient number, since it is larger than the sum of its proper divisors (572133407001).

1123211232999 is a wasteful number, since it uses less digits than its factorization.

1123211232999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285 (or 5279 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The spelling of 1123211232999 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, two hundred thirty-two thousand, nine hundred ninety-nine".