12020002121212 has 6 divisors (see below), whose sum is σ = 21035003712128. Its totient is φ = 6010001060604.

The previous prime is 12020002121207. The next prime is 12020002121221. The reversal of 12020002121212 is 21212120002021.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1502500265148 + ... + 1502500265155.

Almost surely, 2^{12020002121212} is an apocalyptic number.

It is an amenable number.

12020002121212 is a deficient number, since it is larger than the sum of its proper divisors (9015001590916).

12020002121212 is a wasteful number, since it uses less digits than its factorization.

12020002121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005000530307 (or 3005000530305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12020002121212 its reverse (21212120002021), we get a palindrome (33232122123233).

The spelling of 12020002121212 in words is "twelve trillion, twenty billion, two million, one hundred twenty-one thousand, two hundred twelve".