121110212222212 has 12 divisors (see below), whose sum is σ = 214846198394716. Its totient is φ = 59725584109440.

The previous prime is 121110212222203. The next prime is 121110212222213. The reversal of 121110212222212 is 212222212011121.

It can be written as a sum of positive squares in 2 ways, for example, as 54556334523076 + 66553877699136 = 7386226^2 + 8158056^2 .

It is not an unprimeable number, because it can be changed into a prime (121110212222213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207380500089 + ... + 207380500672.

Almost surely, 2^{121110212222212} is an apocalyptic number.

It is an amenable number.

121110212222212 is a deficient number, since it is larger than the sum of its proper divisors (93735986172504).

121110212222212 is a wasteful number, since it uses less digits than its factorization.

121110212222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414761000838 (or 414761000836 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121110212222212 its reverse (212222212011121), we get a palindrome (333332424233333).

The spelling of 121110212222212 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred twelve million, two hundred twenty-two thousand, two hundred twelve".