12121212002011 has 8 divisors (see below), whose sum is σ = 13853076002784. Its totient is φ = 10389413572800.

The previous prime is 12121212001991. The next prime is 12121212002051. The reversal of 12121212002011 is 11020021212121.

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

It is a cyclic number.

It is not a de Polignac number, because 12121212002011 - 2⁵ = 12121212001979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121212002051) 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, 15996130 + ... + 16736743.

It is an arithmetic number, because the mean of its divisors is an integer number (1731634500348).

Almost surely, 2^{12121212002011} is an apocalyptic number.

12121212002011 is a deficient number, since it is larger than the sum of its proper divisors (1731864000773).

12121212002011 is an equidigital number, since it uses as much as digits as its factorization.

12121212002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32785781.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12121212002011 its reverse (11020021212121), we get a palindrome (23141233214132).

The spelling of 12121212002011 in words is "twelve trillion, one hundred twenty-one billion, two hundred twelve million, two thousand, eleven".