12020001022012 has 24 divisors (see below), whose sum is σ = 22175540674560. Its totient is φ = 5692382087280.

The previous prime is 12020001021997. The next prime is 12020001022021. The reversal of 12020001022012 is 21022010002021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12020001021983 and 12020001022001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1031222812 + ... + 1031234467.

It is an arithmetic number, because the mean of its divisors is an integer number (923980861440).

Almost surely, 2^{12020001022012} is an apocalyptic number.

It is an amenable number.

12020001022012 is a deficient number, since it is larger than the sum of its proper divisors (10155539652548).

12020001022012 is a wasteful number, since it uses less digits than its factorization.

12020001022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062457361 (or 2062457359 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12020001022012 its reverse (21022010002021), we get a palindrome (33042011024033).

The spelling of 12020001022012 in words is "twelve trillion, twenty billion, one million, twenty-two thousand, twelve".