12002021001212 has 12 divisors (see below), whose sum is σ = 22912949184216. Its totient is φ = 5455464091440.

The previous prime is 12002021001193. The next prime is 12002021001233. The reversal of 12002021001212 is 21210012020021.

It is a super-2 number, since 2×12002021001212² (a number of 27 digits) contains 22 as substring.

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, 136386602243 + ... + 136386602330.

It is an arithmetic number, because the mean of its divisors is an integer number (1909412432018).

Almost surely, 2^{12002021001212} is an apocalyptic number.

It is an amenable number.

12002021001212 is a deficient number, since it is larger than the sum of its proper divisors (10910928183004).

12002021001212 is a wasteful number, since it uses less digits than its factorization.

12002021001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272773204588 (or 272773204586 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12002021001212 its reverse (21210012020021), we get a palindrome (33212033021233).

The spelling of 12002021001212 in words is "twelve trillion, two billion, twenty-one million, one thousand, two hundred twelve".