247430213120 has 80 divisors (see below), whose sum is σ = 595844631360. Its totient is φ = 98539659264.

The previous prime is 247430213099. The next prime is 247430213141. The reversal of 247430213120 is 21312034742.

It is an interprime number because it is at equal distance from previous prime (247430213099) and next prime (247430213141).

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

It is a super-2 number, since 2×247430213120² (a number of 24 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 7 ways as a sum of consecutive naturals, for example, 375209 + ... + 797271.

It is an arithmetic number, because the mean of its divisors is an integer number (7448057892).

Almost surely, 2^247430213120 is an apocalyptic number.

247430213120 is a gapful number since it is divisible by the number (20) 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 247430213120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297922315680).

247430213120 is an abundant number, since it is smaller than the sum of its proper divisors (348414418240).

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

247430213120 is an equidigital number, since it uses as much as digits as its factorization.

247430213120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422315 (or 422299 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 247430213120 its reverse (21312034742), we get a palindrome (268742247862).

The spelling of 247430213120 in words is "two hundred forty-seven billion, four hundred thirty million, two hundred thirteen thousand, one hundred twenty".