12101162478 has 16 divisors (see below), whose sum is σ = 24274146000. Its totient is φ = 4021750656.

The previous prime is 12101162471. The next prime is 12101162483. The reversal of 12101162478 is 87426110121.

12101162478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101162471) by changing a digit.

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, 2990353 + ... + 2994396.

It is an arithmetic number, because the mean of its divisors is an integer number (1517134125).

Almost surely, 2^12101162478 is an apocalyptic number.

12101162478 is an abundant number, since it is smaller than the sum of its proper divisors (12172983522).

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

12101162478 is a wasteful number, since it uses less digits than its factorization.

12101162478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5985091.

The product of its (nonzero) digits is 5376, while the sum is 33.

Adding to 12101162478 its reverse (87426110121), we get a palindrome (99527272599).

The spelling of 12101162478 in words is "twelve billion, one hundred one million, one hundred sixty-two thousand, four hundred seventy-eight".