12116055 has 64 divisors (see below), whose sum is σ = 24053760. Its totient is φ = 5085696.

The previous prime is 12116023. The next prime is 12116077. The reversal of 12116055 is 55061121.

12116055 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12116055 - 2⁵ = 12116023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 69949 + ... + 70121.

It is an arithmetic number, because the mean of its divisors is an integer number (375840).

Almost surely, 2^12116055 is an apocalyptic number.

12116055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12116055 is a deficient number, since it is larger than the sum of its proper divisors (11937705).

12116055 is a wasteful number, since it uses less digits than its factorization.

12116055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 12116055 is about 3480.8124051721. The cubic root of 12116055 is about 229.6785364173.

Adding to 12116055 its reverse (55061121), we get a palindrome (67177176).

The spelling of 12116055 in words is "twelve million, one hundred sixteen thousand, fifty-five".