1212102002101 has 8 divisors (see below), whose sum is σ = 1217590943744. Its totient is φ = 1206613538640.

The previous prime is 1212102002051. The next prime is 1212102002149. The reversal of 1212102002101 is 1012002012121.

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 1212102002101 - 2²⁵ = 1212068447669 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 (1212102002191) 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, 5573335 + ... + 5786731.

It is an arithmetic number, because the mean of its divisors is an integer number (152198867968).

Almost surely, 2^{1212102002101} is an apocalyptic number.

It is an amenable number.

1212102002101 is a deficient number, since it is larger than the sum of its proper divisors (5488941643).

1212102002101 is a wasteful number, since it uses less digits than its factorization.

1212102002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239091.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1212102002101 its reverse (1012002012121), we get a palindrome (2224104014222).

The spelling of 1212102002101 in words is "one trillion, two hundred twelve billion, one hundred two million, two thousand, one hundred one".