1011055212 has 36 divisors (see below), whose sum is σ = 2706061176. Its totient is φ = 317193600.

The previous prime is 1011055181. The next prime is 1011055223. The reversal of 1011055212 is 2125501101.

1011055212 is a `hidden beast` number, since 1 + 0 + 110 + 552 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825414 + ... + 826637.

It is an arithmetic number, because the mean of its divisors is an integer number (75168366).

Almost surely, 2^1011055212 is an apocalyptic number.

1011055212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011055212 is an abundant number, since it is smaller than the sum of its proper divisors (1695005964).

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

1011055212 is a wasteful number, since it uses less digits than its factorization.

1011055212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652078 (or 1652073 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1011055212 is about 31797.0943955576. The cubic root of 1011055212 is about 1003.6715737150.

Adding to 1011055212 its reverse (2125501101), we get a palindrome (3136556313).

The spelling of 1011055212 in words is "one billion, eleven million, fifty-five thousand, two hundred twelve".