1224030343420 has 192 divisors, whose sum is σ = 2780316887040. Its totient is φ = 451909785600.

The previous prime is 1224030343399. The next prime is 1224030343441. The reversal of 1224030343420 is 243430304221.

It is an interprime number because it is at equal distance from previous prime (1224030343399) and next prime (1224030343441).

It is a super-2 number, since 2×1224030343420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 147629475 + ... + 147637765.

It is an arithmetic number, because the mean of its divisors is an integer number (14480817120).

Almost surely, 2^{1224030343420} is an apocalyptic number.

1224030343420 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 1224030343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390158443520).

1224030343420 is an abundant number, since it is smaller than the sum of its proper divisors (1556286543620).

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

1224030343420 is a wasteful number, since it uses less digits than its factorization.

1224030343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8516 (or 8514 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1224030343420 its reverse (243430304221), we get a palindrome (1467460647641).

The spelling of 1224030343420 in words is "one trillion, two hundred twenty-four billion, thirty million, three hundred forty-three thousand, four hundred twenty".