121202212001 has 16 divisors (see below), whose sum is σ = 131867688960. Its totient is φ = 110729323200.

The previous prime is 121202211997. The next prime is 121202212031. The reversal of 121202212001 is 100212202121.

It is a cyclic number.

It is not a de Polignac number, because 121202212001 - 2² = 121202211997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121202212031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3764096 + ... + 3796158.

It is an arithmetic number, because the mean of its divisors is an integer number (8241730560).

Almost surely, 2^121202212001 is an apocalyptic number.

It is an amenable number.

121202212001 is a deficient number, since it is larger than the sum of its proper divisors (10665476959).

121202212001 is a wasteful number, since it uses less digits than its factorization.

121202212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35056.

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

Adding to 121202212001 its reverse (100212202121), we get a palindrome (221414414122).

The spelling of 121202212001 in words is "one hundred twenty-one billion, two hundred two million, two hundred twelve thousand, one".