1220132212 has 12 divisors (see below), whose sum is σ = 2299480036. Its totient is φ = 563137920.

The previous prime is 1220132209. The next prime is 1220132219. The reversal of 1220132212 is 2122310221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 74580496 + 1145551716 = 8636^2 + 33846^2 .

It is a super-2 number, since 2×1220132212² = 2977445229520025888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220132219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11731989 + ... + 11732092.

Almost surely, 2^1220132212 is an apocalyptic number.

It is an amenable number.

1220132212 is a deficient number, since it is larger than the sum of its proper divisors (1079347824).

1220132212 is a wasteful number, since it uses less digits than its factorization.

1220132212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23464098 (or 23464096 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1220132212 is about 34930.3909511474. The cubic root of 1220132212 is about 1068.5683277854.

Adding to 1220132212 its reverse (2122310221), we get a palindrome (3342442433).

The spelling of 1220132212 in words is "one billion, two hundred twenty million, one hundred thirty-two thousand, two hundred twelve".