12161460036 has 192 divisors, whose sum is σ = 34800353280. Its totient is φ = 3261202560.

The previous prime is 12161460023. The next prime is 12161460041. The reversal of 12161460036 is 63006416121.

It is a super-2 number, since 2×12161460036² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12161459985 and 12161460012.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2477961 + ... + 2482863.

It is an arithmetic number, because the mean of its divisors is an integer number (181251840).

Almost surely, 2^12161460036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12161460036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17400176640).

12161460036 is an abundant number, since it is smaller than the sum of its proper divisors (22638893244).

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

12161460036 is a wasteful number, since it uses less digits than its factorization.

12161460036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006 (or 5004 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

Adding to 12161460036 its reverse (63006416121), we get a palindrome (75167876157).

The spelling of 12161460036 in words is "twelve billion, one hundred sixty-one million, four hundred sixty thousand, thirty-six".