1220102212 has 24 divisors (see below), whose sum is σ = 2441263104. Its totient is φ = 522674112.

The previous prime is 1220102209. The next prime is 1220102237. The reversal of 1220102212 is 2122010221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1220102192 and 1220102201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67128 + ... + 83344.

It is an arithmetic number, because the mean of its divisors is an integer number (101719296).

Almost surely, 2^1220102212 is an apocalyptic number.

It is an amenable number.

1220102212 is an abundant number, since it is smaller than the sum of its proper divisors (1221160892).

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

1220102212 is a wasteful number, since it uses less digits than its factorization.

1220102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18915 (or 18913 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1220102212 is about 34929.9615230249. The cubic root of 1220102212 is about 1068.5595699059.

Adding to 1220102212 its reverse (2122010221), we get a palindrome (3342112433).

It can be divided in two parts, 122010221 and 2, that multiplied together give a palindrome (244020442).

The spelling of 1220102212 in words is "one billion, two hundred twenty million, one hundred two thousand, two hundred twelve".