12121001001201 has 8 divisors (see below), whose sum is σ = 16555513562784. Its totient is φ = 7883577886880.

The previous prime is 12121001001199. The next prime is 12121001001209. The reversal of 12121001001201 is 10210010012121.

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 12121001001201 - 2¹ = 12121001001199 is a prime.

It is a super-2 number, since 2×12121001001201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12121001001209) 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, 49272361671 + ... + 49272361916.

It is an arithmetic number, because the mean of its divisors is an integer number (2069439195348).

Almost surely, 2^{12121001001201} is an apocalyptic number.

It is an amenable number.

12121001001201 is a deficient number, since it is larger than the sum of its proper divisors (4434512561583).

12121001001201 is an equidigital number, since it uses as much as digits as its factorization.

12121001001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98544723631.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12121001001201 its reverse (10210010012121), we get a palindrome (22331011013322).

The spelling of 12121001001201 in words is "twelve trillion, one hundred twenty-one billion, one million, one thousand, two hundred one".