1210222212 has 24 divisors (see below), whose sum is σ = 2824747296. Its totient is φ = 403279488.

The previous prime is 1210222183. The next prime is 1210222213. The reversal of 1210222212 is 2122220121.

It is a junction number, because it is equal to n+sod(n) for n = 1210222191 and 1210222200.

It is not an unprimeable number, because it can be changed into a prime (1210222213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28348 + ... + 56780.

It is an arithmetic number, because the mean of its divisors is an integer number (117697804).

Almost surely, 2^1210222212 is an apocalyptic number.

1210222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210222212 is an abundant number, since it is smaller than the sum of its proper divisors (1614525084).

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

1210222212 is a wasteful number, since it uses less digits than its factorization.

1210222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31987 (or 31985 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1210222212 is about 34788.2481881454. The cubic root of 1210222212 is about 1065.6674640698.

Adding to 1210222212 its reverse (2122220121), we get a palindrome (3332442333).

The spelling of 1210222212 in words is "one billion, two hundred ten million, two hundred twenty-two thousand, two hundred twelve".