121012202001 has 8 divisors (see below), whose sum is σ = 168364802880. Its totient is φ = 77167201232.

The previous prime is 121012201993. The next prime is 121012202029. The reversal of 121012202001 is 100202210121.

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 121012202001 - 2³ = 121012201993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121012202071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876899946 + ... + 876900083.

It is an arithmetic number, because the mean of its divisors is an integer number (21045600360).

Almost surely, 2^121012202001 is an apocalyptic number.

It is an amenable number.

121012202001 is a deficient number, since it is larger than the sum of its proper divisors (47352600879).

121012202001 is a wasteful number, since it uses less digits than its factorization.

121012202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753800055.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121012202001 its reverse (100202210121), we get a palindrome (221214412122).

The spelling of 121012202001 in words is "one hundred twenty-one billion, twelve million, two hundred two thousand, one".