12434015021 has 8 divisors (see below), whose sum is σ = 12670435584. Its totient is φ = 12197661840.

The previous prime is 12434014933. The next prime is 12434015023. The reversal of 12434015021 is 12051043421.

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 12434015021 - 2²⁶ = 12366906157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434015023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511280 + ... + 535046.

It is an arithmetic number, because the mean of its divisors is an integer number (1583804448).

Almost surely, 2^12434015021 is an apocalyptic number.

It is an amenable number.

12434015021 is a deficient number, since it is larger than the sum of its proper divisors (236420563).

12434015021 is an equidigital number, since it uses as much as digits as its factorization.

12434015021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33691.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12434015021 its reverse (12051043421), we get a palindrome (24485058442).

The spelling of 12434015021 in words is "twelve billion, four hundred thirty-four million, fifteen thousand, twenty-one".