1225962118444 has 96 divisors (see below), whose sum is σ = 2684335417344. Its totient is φ = 477934970880.

The previous prime is 1225962118421. The next prime is 1225962118481. The reversal of 1225962118444 is 4448112695221.

It is a super-2 number, since 2×1225962118444² (a number of 25 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 1794669 + ... + 2381755.

It is an arithmetic number, because the mean of its divisors is an integer number (27961827264).

Almost surely, 2^{1225962118444} is an apocalyptic number.

1225962118444 is a gapful number since it is divisible by the number (14) 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 1225962118444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1342167708672).

1225962118444 is an abundant number, since it is smaller than the sum of its proper divisors (1458373298900).

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

1225962118444 is a wasteful number, since it uses less digits than its factorization.

1225962118444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587263 (or 587261 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The spelling of 1225962118444 in words is "one trillion, two hundred twenty-five billion, nine hundred sixty-two million, one hundred eighteen thousand, four hundred forty-four".