4351121201322 has 128 divisors (see below), whose sum is σ = 11377729543680. Its totient is φ = 1206529758720.

The previous prime is 4351121201293. The next prime is 4351121201369. The reversal of 4351121201322 is 2231021211534.

It is a happy number.

4351121201322 is a `hidden beast` number, since 4 + 3 + 511 + 2 + 12 + 0 + 132 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5160622 + ... + 5944262.

It is an arithmetic number, because the mean of its divisors is an integer number (88888512060).

Almost surely, 2^{4351121201322} is an apocalyptic number.

4351121201322 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4351121201322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5688864771840).

4351121201322 is an abundant number, since it is smaller than the sum of its proper divisors (7026608342358).

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

4351121201322 is a wasteful number, since it uses less digits than its factorization.

4351121201322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784093 (or 784087 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 4351121201322 its reverse (2231021211534), we get a palindrome (6582142412856).

The spelling of 4351121201322 in words is "four trillion, three hundred fifty-one billion, one hundred twenty-one million, two hundred one thousand, three hundred twenty-two".