121212001002201 has 32 divisors (see below), whose sum is σ = 162818446488192. Its totient is φ = 80208349401600.

The previous prime is 121212001002193. The next prime is 121212001002317. The reversal of 121212001002201 is 102200100212121.

It is not a de Polignac number, because 121212001002201 - 2³ = 121212001002193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121212001002401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3928933426 + ... + 3928964276.

It is an arithmetic number, because the mean of its divisors is an integer number (5088076452756).

Almost surely, 2^{121212001002201} is an apocalyptic number.

It is an amenable number.

121212001002201 is a deficient number, since it is larger than the sum of its proper divisors (41606445485991).

121212001002201 is a wasteful number, since it uses less digits than its factorization.

121212001002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43273.

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

Adding to 121212001002201 its reverse (102200100212121), we get a palindrome (223412101214322).

The spelling of 121212001002201 in words is "one hundred twenty-one trillion, two hundred twelve billion, one million, two thousand, two hundred one".