121200212210001 has 8 divisors (see below), whose sum is σ = 161600358885504. Its totient is φ = 80800103503920.

The previous prime is 121200212209961. The next prime is 121200212210023. The reversal of 121200212210001 is 100012212002121.

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

It is not a de Polignac number, because 121200212210001 - 2¹⁹ = 121200211685713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121200212210081) 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, 944665 + ... + 15597846.

It is an arithmetic number, because the mean of its divisors is an integer number (20200044860688).

Almost surely, 2^{121200212210001} is an apocalyptic number.

It is an amenable number.

121200212210001 is a deficient number, since it is larger than the sum of its proper divisors (40400146675503).

121200212210001 is a wasteful number, since it uses less digits than its factorization.

121200212210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18984711.

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

Adding to 121200212210001 its reverse (100012212002121), we get a palindrome (221212424212122).

The spelling of 121200212210001 in words is "one hundred twenty-one trillion, two hundred billion, two hundred twelve million, two hundred ten thousand, one".