1010920212 has 18 divisors (see below), whose sum is σ = 2555381738. Its totient is φ = 336973392.

The previous prime is 1010920171. The next prime is 1010920237. The reversal of 1010920212 is 2120290101.

It can be written as a sum of positive squares in only one way, i.e., 1007808516 + 3111696 = 31746^2 + 1764^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14040523 + ... + 14040594.

Almost surely, 2^1010920212 is an apocalyptic number.

1010920212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1010920212 is an abundant number, since it is smaller than the sum of its proper divisors (1544461526).

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

1010920212 is a wasteful number, since it uses less digits than its factorization.

1010920212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28081127 (or 28081122 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1010920212 is about 31794.9714892151. The cubic root of 1010920212 is about 1003.6269003572.

The spelling of 1010920212 in words is "one billion, ten million, nine hundred twenty thousand, two hundred twelve".