12020342402 has 8 divisors (see below), whose sum is σ = 18414141696. Its totient is φ = 5882295172.

The previous prime is 12020342353. The next prime is 12020342441. The reversal of 12020342402 is 20424302021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12020342402² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 63937898 + ... + 63938085.

It is an arithmetic number, because the mean of its divisors is an integer number (2301767712).

Almost surely, 2^12020342402 is an apocalyptic number.

12020342402 is a deficient number, since it is larger than the sum of its proper divisors (6393799294).

12020342402 is a wasteful number, since it uses less digits than its factorization.

12020342402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127876032.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12020342402 its reverse (20424302021), we get a palindrome (32444644423).

The spelling of 12020342402 in words is "twelve billion, twenty million, three hundred forty-two thousand, four hundred two".