120201212121001 has 12 divisors (see below), whose sum is σ = 132813731699712. Its totient is φ = 108701714891000.

The previous prime is 120201212120963. The next prime is 120201212121017. The reversal of 120201212121001 is 100121212102021.

It is not a de Polignac number, because 120201212121001 - 2¹⁵ = 120201212088233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120201212122001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2600496385 + ... + 2600542606.

It is an arithmetic number, because the mean of its divisors is an integer number (11067810974976).

Almost surely, 2^{120201212121001} is an apocalyptic number.

120201212121001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120201212121001 is a deficient number, since it is larger than the sum of its proper divisors (12612519578711).

120201212121001 is a wasteful number, since it uses less digits than its factorization.

120201212121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201039204 (or 5201039193 counting only the distinct ones).

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

Adding to 120201212121001 its reverse (100121212102021), we get a palindrome (220322424223022).

The spelling of 120201212121001 in words is "one hundred twenty trillion, two hundred one billion, two hundred twelve million, one hundred twenty-one thousand, one".