121200010002222 has 16 divisors (see below), whose sum is σ = 248951371896912. Its totient is φ = 39308111352000.

The previous prime is 121200010002209. The next prime is 121200010002223. The reversal of 121200010002222 is 222200010002121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200010002223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272972995279 + ... + 272972995722.

It is an arithmetic number, because the mean of its divisors is an integer number (15559460743557).

Almost surely, 2^{121200010002222} is an apocalyptic number.

121200010002222 is an abundant number, since it is smaller than the sum of its proper divisors (127751361894690).

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

121200010002222 is a wasteful number, since it uses less digits than its factorization.

121200010002222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545945991043.

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

Adding to 121200010002222 its reverse (222200010002121), we get a palindrome (343400020004343).

The spelling of 121200010002222 in words is "one hundred twenty-one trillion, two hundred billion, ten million, two thousand, two hundred twenty-two".