121222033221212 has 48 divisors (see below), whose sum is σ = 270111764579328. Its totient is φ = 46224483510720.

The previous prime is 121222033221209. The next prime is 121222033221239. The reversal of 121222033221212 is 212122330222121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4186985843 + ... + 4187014794.

It is an arithmetic number, because the mean of its divisors is an integer number (5627328428736).

Almost surely, 2^{121222033221212} is an apocalyptic number.

It is an amenable number.

121222033221212 is an abundant number, since it is smaller than the sum of its proper divisors (148889731358116).

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

121222033221212 is a wasteful number, since it uses less digits than its factorization.

121222033221212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374000706 (or 8374000704 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 121222033221212 its reverse (212122330222121), we get a palindrome (333344363443333).

The spelling of 121222033221212 in words is "one hundred twenty-one trillion, two hundred twenty-two billion, thirty-three million, two hundred twenty-one thousand, two hundred twelve".