1213002212101 has 16 divisors (see below), whose sum is σ = 1225767666816. Its totient is φ = 1200293640000.

The previous prime is 1213002212077. The next prime is 1213002212113. The reversal of 1213002212101 is 1012122003121.

It is a cyclic number.

It is not a de Polignac number, because 1213002212101 - 2¹¹ = 1213002210053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213002212141) 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 15 ways as a sum of consecutive naturals, for example, 97887616 + ... + 97900006.

It is an arithmetic number, because the mean of its divisors is an integer number (76610479176).

Almost surely, 2^{1213002212101} is an apocalyptic number.

It is an amenable number.

1213002212101 is a deficient number, since it is larger than the sum of its proper divisors (12765454715).

1213002212101 is a wasteful number, since it uses less digits than its factorization.

1213002212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14604.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1213002212101 its reverse (1012122003121), we get a palindrome (2225124215222).

The spelling of 1213002212101 in words is "one trillion, two hundred thirteen billion, two million, two hundred twelve thousand, one hundred one".