1351046120320 has 128 divisors (see below), whose sum is σ = 3486976879680. Its totient is φ = 497602560000.

The previous prime is 1351046120311. The next prime is 1351046120321. The reversal of 1351046120320 is 230216401531.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351046120321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3133845 + ... + 3538795.

Almost surely, 2^{1351046120320} is an apocalyptic number.

1351046120320 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 1351046120320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743488439840).

1351046120320 is an abundant number, since it is smaller than the sum of its proper divisors (2135930759360).

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

1351046120320 is a wasteful number, since it uses less digits than its factorization.

1351046120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405384 (or 405372 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 1351046120320 in words is "one trillion, three hundred fifty-one billion, forty-six million, one hundred twenty thousand, three hundred twenty".