122011121212 has 6 divisors (see below), whose sum is σ = 213519462128. Its totient is φ = 61005560604.

The previous prime is 122011121171. The next prime is 122011121233. The reversal of 122011121212 is 212121110221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15251390148 + ... + 15251390155.

Almost surely, 2^122011121212 is an apocalyptic number.

It is an amenable number.

122011121212 is a deficient number, since it is larger than the sum of its proper divisors (91508340916).

122011121212 is a wasteful number, since it uses less digits than its factorization.

122011121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30502780307 (or 30502780305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122011121212 its reverse (212121110221), we get a palindrome (334132231433).

The spelling of 122011121212 in words is "one hundred twenty-two billion, eleven million, one hundred twenty-one thousand, two hundred twelve".