121022102121212 has 24 divisors (see below), whose sum is σ = 213015013970976. Its totient is φ = 60160676531648.

The previous prime is 121022102121197. The next prime is 121022102121229. The reversal of 121022102121212 is 212121201220121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73140713 + ... + 74777055.

It is an arithmetic number, because the mean of its divisors is an integer number (8875625582124).

Almost surely, 2^{121022102121212} is an apocalyptic number.

It is an amenable number.

121022102121212 is a deficient number, since it is larger than the sum of its proper divisors (91992911849764).

121022102121212 is a wasteful number, since it uses less digits than its factorization.

121022102121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743397 (or 1743395 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 121022102121212 its reverse (212121201220121), we get a palindrome (333143303341333).

The spelling of 121022102121212 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred two million, one hundred twenty-one thousand, two hundred twelve".