121012200222 has 32 divisors (see below), whose sum is σ = 256583860224. Its totient is φ = 37981159200.

The previous prime is 121012200203. The next prime is 121012200241. The reversal of 121012200222 is 222002210121.

It is an interprime number because it is at equal distance from previous prime (121012200203) and next prime (121012200241).

It is a congruent number.

It is an unprimeable number.

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, 8785054 + ... + 8798817.

It is an arithmetic number, because the mean of its divisors is an integer number (8018245632).

Almost surely, 2^121012200222 is an apocalyptic number.

121012200222 is an abundant number, since it is smaller than the sum of its proper divisors (135571660002).

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

121012200222 is a wasteful number, since it uses less digits than its factorization.

121012200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17583944.

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

Adding to 121012200222 its reverse (222002210121), we get a palindrome (343014410343).

The spelling of 121012200222 in words is "one hundred twenty-one billion, twelve million, two hundred thousand, two hundred twenty-two".