1306538850120 has 128 divisors (see below), whose sum is σ = 4624063856640. Its totient is φ = 289003979520.

The previous prime is 1306538850073. The next prime is 1306538850161. The reversal of 1306538850120 is 210588356031.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 25061112 + ... + 25113191.

It is an arithmetic number, because the mean of its divisors is an integer number (36125498880).

Almost surely, 2^{1306538850120} is an apocalyptic number.

1306538850120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1306538850120 is an abundant number, since it is smaller than the sum of its proper divisors (3317525006520).

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

1306538850120 is a wasteful number, since it uses less digits than its factorization.

1306538850120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50174355 (or 50174351 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 1306538850120 in words is "one trillion, three hundred six billion, five hundred thirty-eight million, eight hundred fifty thousand, one hundred twenty".