1223003100000 has 576 divisors, whose sum is σ = 4392267876864. Its totient is φ = 295488000000.

The previous prime is 1223003099953. The next prime is 1223003100031. The reversal of 1223003100000 is 13003221.

It is a happy number.

It is a super-2 number, since 2×1223003100000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1607099620 + ... + 1607100380.

It is an arithmetic number, because the mean of its divisors is an integer number (7625465064).

Almost surely, 2^{1223003100000} is an apocalyptic number.

1223003100000 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 1223003100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2196133938432).

1223003100000 is an abundant number, since it is smaller than the sum of its proper divisors (3169264776864).

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

1223003100000 is an equidigital number, since it uses as much as digits as its factorization.

1223003100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1269 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 1223003100000 its reverse (13003221), we get a palindrome (1223016103221).

The spelling of 1223003100000 in words is "one trillion, two hundred twenty-three billion, three million, one hundred thousand".