1226343345450 has 96 divisors (see below), whose sum is σ = 3223144509120. Its totient is φ = 307509888000.

The previous prime is 1226343345431. The next prime is 1226343345511. The reversal of 1226343345450 is 545433436221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2611125 + ... + 3044775.

It is an arithmetic number, because the mean of its divisors is an integer number (33574421970).

Almost surely, 2^{1226343345450} is an apocalyptic number.

1226343345450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226343345450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1611572254560).

1226343345450 is an abundant number, since it is smaller than the sum of its proper divisors (1996801163670).

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

1226343345450 is a wasteful number, since it uses less digits than its factorization.

1226343345450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434792 (or 434787 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

The spelling of 1226343345450 in words is "one trillion, two hundred twenty-six billion, three hundred forty-three million, three hundred forty-five thousand, four hundred fifty".