1305632012051 has 8 divisors (see below), whose sum is σ = 1357055014800. Its totient is φ = 1254635756640.

The previous prime is 1305632011963. The next prime is 1305632012053. The reversal of 1305632012051 is 1502102365031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1305632012051 - 2¹⁴ = 1305631995667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305632012053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106680596 + ... + 106692833.

It is an arithmetic number, because the mean of its divisors is an integer number (169631876850).

Almost surely, 2^{1305632012051} is an apocalyptic number.

1305632012051 is a deficient number, since it is larger than the sum of its proper divisors (51423002749).

1305632012051 is a wasteful number, since it uses less digits than its factorization.

1305632012051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213373669.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 1305632012051 its reverse (1502102365031), we get a palindrome (2807734377082).

The spelling of 1305632012051 in words is "one trillion, three hundred five billion, six hundred thirty-two million, twelve thousand, fifty-one".