1212102122001 has 8 divisors (see below), whose sum is σ = 1631826805440. Its totient is φ = 800222759952.

The previous prime is 1212102121973. The next prime is 1212102122029. The reversal of 1212102122001 is 1002212012121.

It is an interprime number because it is at equal distance from previous prime (1212102121973) and next prime (1212102122029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212102122001 - 2¹⁷ = 1212101990929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212102122701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961329986 + ... + 1961330603.

It is an arithmetic number, because the mean of its divisors is an integer number (203978350680).

Almost surely, 2^{1212102122001} is an apocalyptic number.

It is an amenable number.

1212102122001 is a deficient number, since it is larger than the sum of its proper divisors (419724683439).

1212102122001 is a wasteful number, since it uses less digits than its factorization.

1212102122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3922660695.

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

Adding to 1212102122001 its reverse (1002212012121), we get a palindrome (2214314134122).

The spelling of 1212102122001 in words is "one trillion, two hundred twelve billion, one hundred two million, one hundred twenty-two thousand, one".