121202010022200 has 192 divisors, whose sum is σ = 387611417948160. Its totient is φ = 31305988753920.

The previous prime is 121202010022199. The next prime is 121202010022207. The reversal of 121202010022200 is 2220010202121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121202010022200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202010022207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7290544 + ... + 17191743.

It is an arithmetic number, because the mean of its divisors is an integer number (2018809468480).

Almost surely, 2^{121202010022200} is an apocalyptic number.

121202010022200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121202010022200 is an abundant number, since it is smaller than the sum of its proper divisors (266409407925960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121202010022200 is a wasteful number, since it uses less digits than its factorization.

121202010022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24482566 (or 24482557 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 121202010022200 its reverse (2220010202121), we get a palindrome (123422020224321).

The spelling of 121202010022200 in words is "one hundred twenty-one trillion, two hundred two billion, ten million, twenty-two thousand, two hundred".