12101476656 has 120 divisors (see below), whose sum is σ = 34935804144. Its totient is φ = 3596636160.

The previous prime is 12101476631. The next prime is 12101476661. The reversal of 12101476656 is 65667410121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274036 + ... + 315116.

Almost surely, 2^12101476656 is an apocalyptic number.

12101476656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12101476656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17467902072).

12101476656 is an abundant number, since it is smaller than the sum of its proper divisors (22834327488).

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

12101476656 is a wasteful number, since it uses less digits than its factorization.

12101476656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41147 (or 41122 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

Adding to 12101476656 its reverse (65667410121), we get a palindrome (77768886777).

The spelling of 12101476656 in words is "twelve billion, one hundred one million, four hundred seventy-six thousand, six hundred fifty-six".