12101244040 has 32 divisors (see below), whose sum is σ = 27861007680. Its totient is φ = 4727927232.

The previous prime is 12101243969. The next prime is 12101244049. The reversal of 12101244040 is 4044210121.

It is a junction number, because it is equal to n+sod(n) for n = 12101243999 and 12101244017.

It is not an unprimeable number, because it can be changed into a prime (12101244049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3516084 + ... + 3519523.

It is an arithmetic number, because the mean of its divisors is an integer number (870656490).

Almost surely, 2^12101244040 is an apocalyptic number.

12101244040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101244040 is an abundant number, since it is smaller than the sum of its proper divisors (15759763640).

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

12101244040 is a wasteful number, since it uses less digits than its factorization.

12101244040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7035661 (or 7035657 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12101244040 its reverse (4044210121), we get a palindrome (16145454161).

The spelling of 12101244040 in words is "twelve billion, one hundred one million, two hundred forty-four thousand, forty".