1212210210201 has 64 divisors (see below), whose sum is σ = 1835620300800. Its totient is φ = 707022038016.

The previous prime is 1212210210151. The next prime is 1212210210221. The reversal of 1212210210201 is 1020120122121.

It is not a de Polignac number, because 1212210210201 - 2¹³ = 1212210202009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212210210221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10823250 + ... + 10934676.

It is an arithmetic number, because the mean of its divisors is an integer number (28681567200).

Almost surely, 2^{1212210210201} is an apocalyptic number.

It is an amenable number.

1212210210201 is a deficient number, since it is larger than the sum of its proper divisors (623410090599).

1212210210201 is a wasteful number, since it uses less digits than its factorization.

1212210210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111678.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1212210210201 its reverse (1020120122121), we get a palindrome (2232330332322).

The spelling of 1212210210201 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred ten thousand, two hundred one".