12020001002012 has 12 divisors (see below), whose sum is σ = 21065799711096. Its totient is φ = 6001201084560.

The previous prime is 12020001001949. The next prime is 12020001002033. The reversal of 12020001002012 is 21020010002021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12020001001984 and 12020001002002.

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, 2199851039 + ... + 2199856502.

It is an arithmetic number, because the mean of its divisors is an integer number (1755483309258).

Almost surely, 2^{12020001002012} is an apocalyptic number.

It is an amenable number.

12020001002012 is a deficient number, since it is larger than the sum of its proper divisors (9045798709084).

12020001002012 is a wasteful number, since it uses less digits than its factorization.

12020001002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399708228 (or 4399708226 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12020001002012 its reverse (21020010002021), we get a palindrome (33040011004033).

Subtracting 12020001002012 from its reverse (21020010002021), we obtain a palindrome (9000009000009).

The spelling of 12020001002012 in words is "twelve trillion, twenty billion, one million, two thousand, twelve".