1351021430000 has 200 divisors, whose sum is σ = 3571916620800. Its totient is φ = 490785120000.

The previous prime is 1351021429973. The next prime is 1351021430069. The reversal of 1351021430000 is 341201531.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 119564351 + ... + 119575649.

It is an arithmetic number, because the mean of its divisors is an integer number (17859583104).

Almost surely, 2^{1351021430000} is an apocalyptic number.

1351021430000 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 1351021430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785958310400).

1351021430000 is an abundant number, since it is smaller than the sum of its proper divisors (2220895190800).

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

1351021430000 is a wasteful number, since it uses less digits than its factorization.

1351021430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12425 (or 12404 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 1351021430000 its reverse (341201531), we get a palindrome (1351362631531).

The spelling of 1351021430000 in words is "one trillion, three hundred fifty-one billion, twenty-one million, four hundred thirty thousand".