12000022112212 has 6 divisors (see below), whose sum is σ = 21000038696378. Its totient is φ = 6000011056104.

The previous prime is 12000022112189. The next prime is 12000022112227. The reversal of 12000022112212 is 21221122000021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7679294491716 + 4320727620496 = 2771154^2 + 2078636^2 .

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, 1500002764023 + ... + 1500002764030.

Almost surely, 2^{12000022112212} is an apocalyptic number.

It is an amenable number.

12000022112212 is a deficient number, since it is larger than the sum of its proper divisors (9000016584166).

12000022112212 is a wasteful number, since it uses less digits than its factorization.

12000022112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000005528057 (or 3000005528055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12000022112212 its reverse (21221122000021), we get a palindrome (33221144112233).

The spelling of 12000022112212 in words is "twelve trillion, twenty-two million, one hundred twelve thousand, two hundred twelve".