1226325408000 has 1152 divisors, whose sum is σ = 5299856400384. Its totient is φ = 243707904000.

The previous prime is 1226325407959. The next prime is 1226325408001. The reversal of 1226325408000 is 8045236221.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1226325408001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 170012394 + ... + 170019606.

It is an arithmetic number, because the mean of its divisors is an integer number (4600569792).

Almost surely, 2^{1226325408000} is an apocalyptic number.

1226325408000 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 1226325408000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649928200192).

1226325408000 is an abundant number, since it is smaller than the sum of its proper divisors (4073530992384).

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

1226325408000 is a wasteful number, since it uses less digits than its factorization.

1226325408000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288 (or 7264 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 1226325408000 in words is "one trillion, two hundred twenty-six billion, three hundred twenty-five million, four hundred eight thousand".