12383821541 has 32 divisors (see below), whose sum is σ = 15847104000. Its totient is φ = 9412381440.

The previous prime is 12383821537. The next prime is 12383821573. The reversal of 12383821541 is 14512838321.

It is not a de Polignac number, because 12383821541 - 2² = 12383821537 is a prime.

It is a super-2 number, since 2×12383821541² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12383821495 and 12383821504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12383826541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513371 + ... + 536951.

It is an arithmetic number, because the mean of its divisors is an integer number (495222000).

Almost surely, 2^12383821541 is an apocalyptic number.

It is an amenable number.

12383821541 is a deficient number, since it is larger than the sum of its proper divisors (3463282459).

12383821541 is a wasteful number, since it uses less digits than its factorization.

12383821541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23829.

The product of its digits is 46080, while the sum is 38.

The spelling of 12383821541 in words is "twelve billion, three hundred eighty-three million, eight hundred twenty-one thousand, five hundred forty-one".