1238233651200 has 2880 divisors, whose sum is σ = 6007492370880. Its totient is φ = 244611809280.

The previous prime is 1238233651159. The next prime is 1238233651223. The reversal of 1238233651200 is 21563328321.

1238233651200 is a `hidden beast` number, since 12 + 3 + 82 + 3 + 365 + 1 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (2880).

It is a super-2 number, since 2×1238233651200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 6415718304 + ... + 6415718496.

It is an arithmetic number, because the mean of its divisors is an integer number (2085934851).

Almost surely, 2^{1238233651200} is an apocalyptic number.

1238233651200 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 1238233651200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3003746185440).

1238233651200 is an abundant number, since it is smaller than the sum of its proper divisors (4769258719680).

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

1238233651200 is a wasteful number, since it uses less digits than its factorization.

1238233651200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 1238233651200 its reverse (21563328321), we get a palindrome (1259796979521).

The spelling of 1238233651200 in words is "one trillion, two hundred thirty-eight billion, two hundred thirty-three million, six hundred fifty-one thousand, two hundred".