4351121201320 has 128 divisors (see below), whose sum is σ = 10563592112640. Its totient is φ = 1606842265600.

The previous prime is 4351121201293. The next prime is 4351121201369. The reversal of 4351121201320 is 231021211534.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257713599 + ... + 257730481.

It is an arithmetic number, because the mean of its divisors is an integer number (82528063380).

Almost surely, 2^{4351121201320} is an apocalyptic number.

4351121201320 is a gapful number since it is divisible by the number (40) 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 4351121201320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5281796056320).

4351121201320 is an abundant number, since it is smaller than the sum of its proper divisors (6212470911320).

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

4351121201320 is a wasteful number, since it uses less digits than its factorization.

4351121201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24115 (or 24111 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 4351121201320 its reverse (231021211534), we get a palindrome (4582142412854).

The spelling of 4351121201320 in words is "four trillion, three hundred fifty-one billion, one hundred twenty-one million, two hundred one thousand, three hundred twenty".