1223113011000 has 512 divisors, whose sum is σ = 4100308992000. Its totient is φ = 302626368000.

The previous prime is 1223113010963. The next prime is 1223113011017. The reversal of 1223113011000 is 1103113221.

It is a happy number.

It is a super-2 number, since 2×1223113011000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1234220505 + ... + 1234221495.

It is an arithmetic number, because the mean of its divisors is an integer number (8008416000).

Almost surely, 2^{1223113011000} is an apocalyptic number.

1223113011000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223113011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050154496000).

1223113011000 is an abundant number, since it is smaller than the sum of its proper divisors (2877195981000).

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

1223113011000 is a wasteful number, since it uses less digits than its factorization.

1223113011000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1223113011000 its reverse (1103113221), we get a palindrome (1224216124221).

The spelling of 1223113011000 in words is "one trillion, two hundred twenty-three billion, one hundred thirteen million, eleven thousand".