12061117612054 has 16 divisors (see below), whose sum is σ = 21180499222176. Its totient is φ = 5042976004800.

The previous prime is 12061117612009. The next prime is 12061117612069. The reversal of 12061117612054 is 45021671116021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10506199437 + ... + 10506200584.

It is an arithmetic number, because the mean of its divisors is an integer number (1323781201386).

Almost surely, 2^{12061117612054} is an apocalyptic number.

12061117612054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12061117612054 is a deficient number, since it is larger than the sum of its proper divisors (9119381610122).

12061117612054 is a wasteful number, since it uses less digits than its factorization.

12061117612054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21012400071.

The product of its (nonzero) digits is 20160, while the sum is 37.

Adding to 12061117612054 its reverse (45021671116021), we get a palindrome (57082788728075).

The spelling of 12061117612054 in words is "twelve trillion, sixty-one billion, one hundred seventeen million, six hundred twelve thousand, fifty-four".