121202200012001 has 4 divisors (see below), whose sum is σ = 126471860882112. Its totient is φ = 115932539141892.

The previous prime is 121202200011989. The next prime is 121202200012031. The reversal of 121202200012001 is 100210002202121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121202200012001 - 2²² = 121202195817697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202200012031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634830435021 + ... + 2634830435066.

It is an arithmetic number, because the mean of its divisors is an integer number (31617965220528).

Almost surely, 2^{121202200012001} is an apocalyptic number.

It is an amenable number.

121202200012001 is a deficient number, since it is larger than the sum of its proper divisors (5269660870111).

121202200012001 is an equidigital number, since it uses as much as digits as its factorization.

121202200012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269660870110.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121202200012001 its reverse (100210002202121), we get a palindrome (221412202214122).

The spelling of 121202200012001 in words is "one hundred twenty-one trillion, two hundred two billion, two hundred million, twelve thousand, one".