12020201201212 has 24 divisors (see below), whose sum is σ = 21134647022720. Its totient is φ = 5981758986240.

The previous prime is 12020201201179. The next prime is 12020201201219. The reversal of 12020201201212 is 21210210202021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020201201219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848693 + ... + 5240044.

Almost surely, 2^{12020201201212} is an apocalyptic number.

It is an amenable number.

12020201201212 is a deficient number, since it is larger than the sum of its proper divisors (9114445821508).

12020201201212 is a wasteful number, since it uses less digits than its factorization.

12020201201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090741 (or 7090739 counting only the distinct ones).

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

Adding to 12020201201212 its reverse (21210210202021), we get a palindrome (33230411403233).

The spelling of 12020201201212 in words is "twelve trillion, twenty billion, two hundred one million, two hundred one thousand, two hundred twelve".