120001211201 has 4 divisors (see below), whose sum is σ = 120005376900. Its totient is φ = 119997045504.

The previous prime is 120001211191. The next prime is 120001211207. The reversal of 120001211201 is 102112100021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102112100021 = 359 ⋅284434819.

It can be written as a sum of positive squares in 2 ways, for example, as 77729440000 + 42271771201 = 278800^2 + 205601^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001211201 - 2⁶ = 120001211137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001211207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2039336 + ... + 2097353.

It is an arithmetic number, because the mean of its divisors is an integer number (30001344225).

Almost surely, 2^120001211201 is an apocalyptic number.

It is an amenable number.

120001211201 is a deficient number, since it is larger than the sum of its proper divisors (4165699).

120001211201 is an equidigital number, since it uses as much as digits as its factorization.

120001211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165698.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 120001211201 its reverse (102112100021), we get a palindrome (222113311222).

The spelling of 120001211201 in words is "one hundred twenty billion, one million, two hundred eleven thousand, two hundred one".