1212210200198 has 16 divisors (see below), whose sum is σ = 1820392361856. Its totient is φ = 605412850560.

The previous prime is 1212210200197. The next prime is 1212210200219. The reversal of 1212210200198 is 8910020122121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212210200198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212210200197) 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, 41752715 + ... + 41781737.

It is an arithmetic number, because the mean of its divisors is an integer number (113774522616).

Almost surely, 2^{1212210200198} is an apocalyptic number.

1212210200198 is a deficient number, since it is larger than the sum of its proper divisors (608182161658).

1212210200198 is a wasteful number, since it uses less digits than its factorization.

1212210200198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52159.

The product of its (nonzero) digits is 1152, while the sum is 29.

The spelling of 1212210200198 in words is "one trillion, two hundred twelve billion, two hundred ten million, two hundred thousand, one hundred ninety-eight".