12120213202078 has 16 divisors (see below), whose sum is σ = 18251382152304. Its totient is φ = 6036419983360.

The previous prime is 12120213202037. The next prime is 12120213202079. The reversal of 12120213202078 is 87020231202121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120213202079) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34653093 + ... + 35001103.

It is an arithmetic number, because the mean of its divisors is an integer number (1140711384519).

Almost surely, 2^{12120213202078} is an apocalyptic number.

12120213202078 is a deficient number, since it is larger than the sum of its proper divisors (6131168950226).

12120213202078 is a wasteful number, since it uses less digits than its factorization.

12120213202078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416027.

The product of its (nonzero) digits is 5376, while the sum is 31.

Adding to 12120213202078 its reverse (87020231202121), we get a palindrome (99140444404199).

The spelling of 12120213202078 in words is "twelve trillion, one hundred twenty billion, two hundred thirteen million, two hundred two thousand, seventy-eight".