12020078 has 8 divisors (see below), whose sum is σ = 20605872. Its totient is φ = 5151456.

The previous prime is 12020051. The next prime is 12020083. The reversal of 12020078 is 87002021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429275 + ... + 429302.

It is an arithmetic number, because the mean of its divisors is an integer number (2575734).

Almost surely, 2^12020078 is an apocalyptic number.

12020078 is a deficient number, since it is larger than the sum of its proper divisors (8585794).

12020078 is an equidigital number, since it uses as much as digits as its factorization.

12020078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858586.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 12020078 is about 3466.9984136137. The cubic root of 12020078 is about 229.0704638774.

Adding to 12020078 its reverse (87002021), we get a palindrome (99022099).

The spelling of 12020078 in words is "twelve million, twenty thousand, seventy-eight".