12061117612061 has 12 divisors (see below), whose sum is σ = 14034324342780. Its totient is φ = 10335120526080.

The previous prime is 12061117612009. The next prime is 12061117612069. The reversal of 12061117612061 is 16021671116021.

It can be written as a sum of positive squares in 2 ways, for example, as 5876600188900 + 6184517423161 = 2424170^2 + 2486869^2 .

It is not a de Polignac number, because 12061117612061 - 2⁶ = 12061117611997 is a prime.

It is a super-3 number, since 3×12061117612061³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12061117612069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35307860 + ... + 35647821.

It is an arithmetic number, because the mean of its divisors is an integer number (1169527028565).

Almost surely, 2^{12061117612061} is an apocalyptic number.

It is an amenable number.

12061117612061 is a deficient number, since it is larger than the sum of its proper divisors (1973206730719).

12061117612061 is an equidigital number, since it uses as much as digits as its factorization.

12061117612061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70959164 (or 70959157 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

Adding to 12061117612061 its reverse (16021671116021), we get a palindrome (28082788728082).

The spelling of 12061117612061 in words is "twelve trillion, sixty-one billion, one hundred seventeen million, six hundred twelve thousand, sixty-one".