12101012012 has 24 divisors (see below), whose sum is σ = 22943921616. Its totient is φ = 5562160128.

The previous prime is 12101012009. The next prime is 12101012089. The reversal of 12101012012 is 21021010121.

It is a junction number, because it is equal to n+sod(n) for n = 12101011984 and 12101012002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066333 + ... + 2072180.

It is an arithmetic number, because the mean of its divisors is an integer number (955996734).

Almost surely, 2^12101012012 is an apocalyptic number.

It is an amenable number.

12101012012 is a deficient number, since it is larger than the sum of its proper divisors (10842909604).

12101012012 is a wasteful number, since it uses less digits than its factorization.

12101012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138577 (or 4138575 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101012012 its reverse (21021010121), we get a palindrome (33122022133).

The spelling of 12101012012 in words is "twelve billion, one hundred one million, twelve thousand, twelve".