1212210200201 has 16 divisors (see below), whose sum is σ = 1627582927488.
Its totient is φ = 871919424000.
The previous prime is 1212210200197. The next prime is 1212210200219. The reversal of 1212210200201 is 1020020122121.
It is a cyclic number.
It is not a de Polignac number, because 1212210200201 - 22 = 1212210200197 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1212210200231) 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 15 ways as a sum of consecutive naturals, for example, 605498600 + ... + 605500601.
It is an arithmetic number, because the mean of its divisors is an integer number (101723932968).
Almost surely, 21212210200201 is an apocalyptic number.
1212210200201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1212210200201 is a deficient number, since it is larger than the sum of its proper divisors (415372727287).
1212210200201 is a wasteful number, since it uses less digits than its factorization.
1212210200201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1210999232.
The product of its (nonzero) digits is 32, while the sum is 14.
The spelling of 1212210200201 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, two hundred one".