12002020031078 has 64 divisors (see below), whose sum is σ = 22485030796800. Its totient is φ = 4667848819200.

The previous prime is 12002020031077. The next prime is 12002020031227. The reversal of 12002020031078 is 87013002020021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002020031077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220399598 + ... + 220454046.

It is an arithmetic number, because the mean of its divisors is an integer number (351328606200).

Almost surely, 2^{12002020031078} is an apocalyptic number.

12002020031078 is a deficient number, since it is larger than the sum of its proper divisors (10483010765722).

12002020031078 is a wasteful number, since it uses less digits than its factorization.

12002020031078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56973.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 12002020031078 its reverse (87013002020021), we get a palindrome (99015022051099).

The spelling of 12002020031078 in words is "twelve trillion, two billion, twenty million, thirty-one thousand, seventy-eight".