12001212020211 has 8 divisors (see below), whose sum is σ = 16001649807360. Its totient is φ = 8000791123272.

The previous prime is 12001212020197. The next prime is 12001212020269. The reversal of 12001212020211 is 11202021210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12001212020211 - 2²³ = 12001203631603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001212020111) 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, 2459451 + ... + 5481908.

It is an arithmetic number, because the mean of its divisors is an integer number (2000206225920).

Almost surely, 2^{12001212020211} is an apocalyptic number.

12001212020211 is a deficient number, since it is larger than the sum of its proper divisors (4000437787149).

12001212020211 is an equidigital number, since it uses as much as digits as its factorization.

12001212020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445105.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12001212020211 its reverse (11202021210021), we get a palindrome (23203233230232).

The spelling of 12001212020211 in words is "twelve trillion, one billion, two hundred twelve million, twenty thousand, two hundred eleven".