351122520144000 has 1024 divisors, whose sum is σ = 1334533584384000. Its totient is φ = 80833572864000.

The previous prime is 351122520143999. The next prime is 351122520144029. The reversal of 351122520144000 is 441025221153.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1687911996 + ... + 1688120004.

It is an arithmetic number, because the mean of its divisors is an integer number (1303255453500).

Almost surely, 2^{351122520144000} is an apocalyptic number.

351122520144000 is a gapful number since it is divisible by the number (30) 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 351122520144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667266792192000).

351122520144000 is an abundant number, since it is smaller than the sum of its proper divisors (983411064240000).

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

351122520144000 is a wasteful number, since it uses less digits than its factorization.

351122520144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208214 (or 208192 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 351122520144000 its reverse (441025221153), we get a palindrome (351563545365153).

The spelling of 351122520144000 in words is "three hundred fifty-one trillion, one hundred twenty-two billion, five hundred twenty million, one hundred forty-four thousand".