1212000222 has 16 divisors (see below), whose sum is σ = 2424406032. Its totient is φ = 403932480.

The previous prime is 1212000217. The next prime is 1212000263. The reversal of 1212000222 is 2220002121.

It is a junction number, because it is equal to n+sod(n) for n = 1212000198 and 1212000207.

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, 33522 + ... + 59562.

It is an arithmetic number, because the mean of its divisors is an integer number (151525377).

Almost surely, 2^1212000222 is an apocalyptic number.

1212000222 is an abundant number, since it is smaller than the sum of its proper divisors (1212405810).

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

1212000222 is a wasteful number, since it uses less digits than its factorization.

1212000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33803.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1212000222 is about 34813.7935594500. The cubic root of 1212000222 is about 1066.1890873552.

Adding to 1212000222 its reverse (2220002121), we get a palindrome (3432002343).

The spelling of 1212000222 in words is "one billion, two hundred twelve million, two hundred twenty-two", and thus it is an aban number.