121220122012001 has 8 divisors (see below), whose sum is σ = 121586901837408. Its totient is φ = 120853345536000.

The previous prime is 121220122011997. The next prime is 121220122012069. The reversal of 121220122012001 is 100210221022121.

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 121220122012001 - 2² = 121220122011997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121220122014001) 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, 84918881 + ... + 86334561.

It is an arithmetic number, because the mean of its divisors is an integer number (15198362729676).

Almost surely, 2^{121220122012001} is an apocalyptic number.

It is an amenable number.

121220122012001 is a deficient number, since it is larger than the sum of its proper divisors (366779825407).

121220122012001 is a wasteful number, since it uses less digits than its factorization.

121220122012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674703.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121220122012001 its reverse (100210221022121), we get a palindrome (221430343034122).

The spelling of 121220122012001 in words is "one hundred twenty-one trillion, two hundred twenty billion, one hundred twenty-two million, twelve thousand, one".