5551232212 has 6 divisors (see below), whose sum is σ = 9714656378. Its totient is φ = 2775616104.

The previous prime is 5551232209. The next prime is 5551232233. The reversal of 5551232212 is 2122321555.

It can be written as a sum of positive squares in only one way, i.e., 5229603856 + 321628356 = 72316^2 + 17934^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693904023 + ... + 693904030.

Almost surely, 2^5551232212 is an apocalyptic number.

It is an amenable number.

5551232212 is a deficient number, since it is larger than the sum of its proper divisors (4163424166).

5551232212 is a wasteful number, since it uses less digits than its factorization.

5551232212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387808057 (or 1387808055 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 5551232212 is about 74506.5917352284. The cubic root of 5551232212 is about 1770.6380722703.

Adding to 5551232212 its reverse (2122321555), we get a palindrome (7673553767).

The spelling of 5551232212 in words is "five billion, five hundred fifty-one million, two hundred thirty-two thousand, two hundred twelve".