1123211011230 has 288 divisors, whose sum is σ = 3671268636672. Its totient is φ = 233220746880.

The previous prime is 1123211011207. The next prime is 1123211011243. The reversal of 1123211011230 is 321101123211.

1123211011230 is a `hidden beast` number, since 1 + 12 + 321 + 101 + 1 + 230 = 666.

It is a super-2 number, since 2×1123211011230² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 119447709 + ... + 119457111.

It is an arithmetic number, because the mean of its divisors is an integer number (12747460544).

Almost surely, 2^{1123211011230} is an apocalyptic number.

1123211011230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123211011230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1835634318336).

1123211011230 is an abundant number, since it is smaller than the sum of its proper divisors (2548057625442).

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

1123211011230 is a wasteful number, since it uses less digits than its factorization.

1123211011230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012 (or 10998 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1123211011230 its reverse (321101123211), we get a palindrome (1444312134441).

The spelling of 1123211011230 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, eleven thousand, two hundred thirty".