1220288212 has 48 divisors (see below), whose sum is σ = 2516113152. Its totient is φ = 510526080.

The previous prime is 1220288183. The next prime is 1220288249. The reversal of 1220288212 is 2128820221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207018 + ... + 212830.

It is an arithmetic number, because the mean of its divisors is an integer number (52419024).

Almost surely, 2^1220288212 is an apocalyptic number.

It is an amenable number.

1220288212 is an abundant number, since it is smaller than the sum of its proper divisors (1295824940).

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

1220288212 is a wasteful number, since it uses less digits than its factorization.

1220288212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208 (or 6206 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 1220288212 is about 34932.6238922873. The cubic root of 1220288212 is about 1068.6138664447.

The spelling of 1220288212 in words is "one billion, two hundred twenty million, two hundred eighty-eight thousand, two hundred twelve".