1233131002400 has 144 divisors (see below), whose sum is σ = 3288586392000. Its totient is φ = 447792153600.

The previous prime is 1233131002291. The next prime is 1233131002483. The reversal of 1233131002400 is 42001313321.

It is a super-2 number, since 2×1233131002400² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 23 ways as a sum of consecutive naturals, for example, 6301226 + ... + 6493974.

It is an arithmetic number, because the mean of its divisors is an integer number (22837405500).

Almost surely, 2^{1233131002400} is an apocalyptic number.

1233131002400 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 1233131002400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644293196000).

1233131002400 is an abundant number, since it is smaller than the sum of its proper divisors (2055455389600).

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

1233131002400 is a wasteful number, since it uses less digits than its factorization.

1233131002400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193507 (or 193494 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1233131002400 its reverse (42001313321), we get a palindrome (1275132315721).

The spelling of 1233131002400 in words is "one trillion, two hundred thirty-three billion, one hundred thirty-one million, two thousand, four hundred".