12346021524 has 24 divisors (see below), whose sum is σ = 28852342848. Its totient is φ = 4108917760.

The previous prime is 12346021483. The next prime is 12346021601. The reversal of 12346021524 is 42512064321.

It is a junction number, because it is equal to n+sod(n) for n = 12346021491 and 12346021500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794832 + ... + 810215.

It is an arithmetic number, because the mean of its divisors is an integer number (1202180952).

Almost surely, 2^12346021524 is an apocalyptic number.

It is an amenable number.

12346021524 is an abundant number, since it is smaller than the sum of its proper divisors (16506321324).

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

12346021524 is a wasteful number, since it uses less digits than its factorization.

12346021524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605695 (or 1605693 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 12346021524 its reverse (42512064321), we get a palindrome (54858085845).

The spelling of 12346021524 in words is "twelve billion, three hundred forty-six million, twenty-one thousand, five hundred twenty-four".