12101243004 has 72 divisors (see below), whose sum is σ = 30839608800. Its totient is φ = 4000816512.

The previous prime is 12101242981. The next prime is 12101243027. The reversal of 12101243004 is 40034210121.

It is an interprime number because it is at equal distance from previous prime (12101242981) and next prime (12101243027).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5185822 + ... + 5188154.

It is an arithmetic number, because the mean of its divisors is an integer number (428327900).

Almost surely, 2^12101243004 is an apocalyptic number.

It is an amenable number.

12101243004 is an abundant number, since it is smaller than the sum of its proper divisors (18738365796).

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

12101243004 is a wasteful number, since it uses less digits than its factorization.

12101243004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459 (or 3454 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12101243004 its reverse (40034210121), we get a palindrome (52135453125).

The spelling of 12101243004 in words is "twelve billion, one hundred one million, two hundred forty-three thousand, four".