1233988457472 has 528 divisors, whose sum is σ = 3793664160000. Its totient is φ = 385533739008.

The previous prime is 1233988457453. The next prime is 1233988457473. The reversal of 1233988457472 is 2747548893321.

It is a happy number.

1233988457472 is a `hidden beast` number, since 1 + 2 + 3 + 39 + 8 + 84 + 57 + 472 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233988457473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2810907429 + ... + 2810907867.

It is an arithmetic number, because the mean of its divisors is an integer number (7184970000).

Almost surely, 2^{1233988457472} is an apocalyptic number.

1233988457472 is a gapful number since it is divisible by the number (12) 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 1233988457472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896832080000).

1233988457472 is an abundant number, since it is smaller than the sum of its proper divisors (2559675702528).

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

1233988457472 is a wasteful number, since it uses less digits than its factorization.

1233988457472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 705 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 1233988457472 in words is "one trillion, two hundred thirty-three billion, nine hundred eighty-eight million, four hundred fifty-seven thousand, four hundred seventy-two".