12261461113 has 8 divisors (see below), whose sum is σ = 13379798016. Its totient is φ = 11143734000.

The previous prime is 12261461111. The next prime is 12261461129. The reversal of 12261461113 is 31116416221.

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 12261461113 - 2¹ = 12261461111 is a prime.

It is a super-2 number, since 2×12261461113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12261461111) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 109881 + ... + 191302.

It is an arithmetic number, because the mean of its divisors is an integer number (1672474752).

Almost surely, 2^12261461113 is an apocalyptic number.

It is an amenable number.

12261461113 is a deficient number, since it is larger than the sum of its proper divisors (1118336903).

12261461113 is a wasteful number, since it uses less digits than its factorization.

12261461113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304895.

The product of its digits is 1728, while the sum is 28.

Adding to 12261461113 its reverse (31116416221), we get a palindrome (43377877334).

It can be divided in two parts, 12261 and 461113, that added together give a palindrome (473374).

The spelling of 12261461113 in words is "twelve billion, two hundred sixty-one million, four hundred sixty-one thousand, one hundred thirteen".