12240521501 has 8 divisors (see below), whose sum is σ = 13755235200. Its totient is φ = 10807684272.

The previous prime is 12240521473. The next prime is 12240521549. The reversal of 12240521501 is 10512504221.

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 12240521501 - 2¹⁴ = 12240505117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12240521581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20468801 + ... + 20469398.

It is an arithmetic number, because the mean of its divisors is an integer number (1719404400).

Almost surely, 2^12240521501 is an apocalyptic number.

It is an amenable number.

12240521501 is a deficient number, since it is larger than the sum of its proper divisors (1514713699).

12240521501 is a wasteful number, since it uses less digits than its factorization.

12240521501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40938235.

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 12240521501 in words is "twelve billion, two hundred forty million, five hundred twenty-one thousand, five hundred one".