1224403201420 has 24 divisors (see below), whose sum is σ = 2938567683744. Its totient is φ = 419795383296.

The previous prime is 1224403201391. The next prime is 1224403201447. The reversal of 1224403201420 is 241023044221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4372868437 + ... + 4372868716.

It is an arithmetic number, because the mean of its divisors is an integer number (122440320156).

Almost surely, 2^{1224403201420} is an apocalyptic number.

1224403201420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224403201420 is an abundant number, since it is smaller than the sum of its proper divisors (1714164482324).

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

1224403201420 is a wasteful number, since it uses less digits than its factorization.

1224403201420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8745737169 (or 8745737167 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1224403201420 its reverse (241023044221), we get a palindrome (1465426245641).

The spelling of 1224403201420 in words is "one trillion, two hundred twenty-four billion, four hundred three million, two hundred one thousand, four hundred twenty".