121012001011201 has 8 divisors (see below), whose sum is σ = 121983532728320. Its totient is φ = 120040761189888.

The previous prime is 121012001011193. The next prime is 121012001011207. The reversal of 121012001011201 is 102110100210121.

It is a happy number.

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 121012001011201 - 2³ = 121012001011193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012001011207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72141441 + ... + 73799806.

It is an arithmetic number, because the mean of its divisors is an integer number (15247941591040).

Almost surely, 2^{121012001011201} is an apocalyptic number.

It is an amenable number.

121012001011201 is a deficient number, since it is larger than the sum of its proper divisors (971531717119).

121012001011201 is a wasteful number, since it uses less digits than its factorization.

121012001011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145947903.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121012001011201 its reverse (102110100210121), we get a palindrome (223122101221322).

The spelling of 121012001011201 in words is "one hundred twenty-one trillion, twelve billion, one million, eleven thousand, two hundred one".