1055111212 has 6 divisors (see below), whose sum is σ = 1846444628. Its totient is φ = 527555604.

The previous prime is 1055111201. The next prime is 1055111221. The reversal of 1055111212 is 2121115501.

It is a super-2 number, since 2×1055111212² = 2226519339376217888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055111212.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 131888898 + ... + 131888905.

Almost surely, 2^1055111212 is an apocalyptic number.

It is an amenable number.

1055111212 is a deficient number, since it is larger than the sum of its proper divisors (791333416).

1055111212 is a wasteful number, since it uses less digits than its factorization.

1055111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263777807 (or 263777805 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 1055111212 is about 32482.4754598537. The cubic root of 1055111212 is about 1018.0428998329.

Adding to 1055111212 its reverse (2121115501), we get a palindrome (3176226713).

The spelling of 1055111212 in words is "one billion, fifty-five million, one hundred eleven thousand, two hundred twelve".