1305255354012 has 18 divisors (see below), whose sum is σ = 3299395478288. Its totient is φ = 435085117992.

The previous prime is 1305255353947. The next prime is 1305255354031. The reversal of 1305255354012 is 2104535525031.

1305255354012 is a `hidden beast` number, since 1 + 3 + 0 + 52 + 5 + 53 + 540 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1305255354012² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 36257093167 = 1305255354012 / (1 + 3 + 0 + 5 + 2 + 5 + 5 + 3 + 5 + 4 + 0 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18128546548 + ... + 18128546619.

Almost surely, 2^{1305255354012} is an apocalyptic number.

1305255354012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1305255354012 is an abundant number, since it is smaller than the sum of its proper divisors (1994140124276).

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

1305255354012 is a wasteful number, since it uses less digits than its factorization.

1305255354012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36257093177 (or 36257093172 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 1305255354012 in words is "one trillion, three hundred five billion, two hundred fifty-five million, three hundred fifty-four thousand, twelve".