1224103320240 has 80 divisors (see below), whose sum is σ = 3897280328928. Its totient is φ = 317605183488.

The previous prime is 1224103320221. The next prime is 1224103320257. The reversal of 1224103320240 is 420233014221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1224103320240³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1224103320240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68915857 + ... + 68933616.

Almost surely, 2^{1224103320240} is an apocalyptic number.

1224103320240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224103320240 is an abundant number, since it is smaller than the sum of its proper divisors (2673177008688).

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

1224103320240 is a wasteful number, since it uses less digits than its factorization.

1224103320240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137849526 (or 137849520 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1224103320240 its reverse (420233014221), we get a palindrome (1644336334461).

The spelling of 1224103320240 in words is "one trillion, two hundred twenty-four billion, one hundred three million, three hundred twenty thousand, two hundred forty".