12621477115 has 8 divisors (see below), whose sum is σ = 16310832048. Its totient is φ = 9320475360.

The previous prime is 12621477103. The next prime is 12621477133. The reversal of 12621477115 is 51177412621.

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

It is not a de Polignac number, because 12621477115 - 2²³ = 12613088507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 97088221 + ... + 97088350.

It is an arithmetic number, because the mean of its divisors is an integer number (2038854006).

Almost surely, 2^12621477115 is an apocalyptic number.

12621477115 is a deficient number, since it is larger than the sum of its proper divisors (3689354933).

12621477115 is a wasteful number, since it uses less digits than its factorization.

12621477115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194176589.

The product of its digits is 23520, while the sum is 37.

Adding to 12621477115 its reverse (51177412621), we get a palindrome (63798889736).

The spelling of 12621477115 in words is "twelve billion, six hundred twenty-one million, four hundred seventy-seven thousand, one hundred fifteen".