12352112021 has 8 divisors (see below), whose sum is σ = 13003588320. Its totient is φ = 11700772272.

The previous prime is 12352112011. The next prime is 12352112023. The reversal of 12352112021 is 12021125321.

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 12352112021 - 2¹⁰ = 12352110997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12352111984 and 12352112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12352112023) 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, 189011 + ... + 245823.

It is an arithmetic number, because the mean of its divisors is an integer number (1625448540).

Almost surely, 2^12352112021 is an apocalyptic number.

It is an amenable number.

12352112021 is a deficient number, since it is larger than the sum of its proper divisors (651476299).

12352112021 is a wasteful number, since it uses less digits than its factorization.

12352112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68275.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12352112021 its reverse (12021125321), we get a palindrome (24373237342).

The spelling of 12352112021 in words is "twelve billion, three hundred fifty-two million, one hundred twelve thousand, twenty-one".