12100777 has 8 divisors (see below), whose sum is σ = 13717760. Its totient is φ = 10581840.

The previous prime is 12100771. The next prime is 12100793. The reversal of 12100777 is 77700121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12100777 - 2¹¹ = 12098729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12100771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24249 + ... + 24742.

It is an arithmetic number, because the mean of its divisors is an integer number (1714720).

Almost surely, 2^12100777 is an apocalyptic number.

It is an amenable number.

12100777 is a deficient number, since it is larger than the sum of its proper divisors (1616983).

12100777 is a wasteful number, since it uses less digits than its factorization.

12100777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49023.

The product of its (nonzero) digits is 686, while the sum is 25.

The square root of 12100777 is about 3478.6171102897. The cubic root of 12100777 is about 229.5819564485.

Adding to 12100777 its reverse (77700121), we get a palindrome (89800898).

The spelling of 12100777 in words is "twelve million, one hundred thousand, seven hundred seventy-seven".