12121212202001 has 8 divisors (see below), whose sum is σ = 13853024272320. Its totient is φ = 10389452713488.

The previous prime is 12121212201961. The next prime is 12121212202003. The reversal of 12121212202001 is 10020221212121.

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 12121212202001 - 2²² = 12121208007697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121212202003) 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, 12650231 + ... + 13574636.

It is an arithmetic number, because the mean of its divisors is an integer number (1731628034040).

Almost surely, 2^{12121212202001} is an apocalyptic number.

It is an amenable number.

12121212202001 is a deficient number, since it is larger than the sum of its proper divisors (1731812070319).

12121212202001 is an equidigital number, since it uses as much as digits as its factorization.

12121212202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26290903.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12121212202001 its reverse (10020221212121), we get a palindrome (22141433414122).

The spelling of 12121212202001 in words is "twelve trillion, one hundred twenty-one billion, two hundred twelve million, two hundred two thousand, one".