1011013212 has 48 divisors (see below), whose sum is σ = 2575423872. Its totient is φ = 306137280.

The previous prime is 1011013189. The next prime is 1011013217. The reversal of 1011013212 is 2123101101.

1011013212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011013217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273118 + ... + 276794.

It is an arithmetic number, because the mean of its divisors is an integer number (53654664).

Almost surely, 2^1011013212 is an apocalyptic number.

1011013212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011013212 is an abundant number, since it is smaller than the sum of its proper divisors (1564410660).

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

1011013212 is a wasteful number, since it uses less digits than its factorization.

1011013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5778 (or 5776 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1011013212 is about 31796.4339509952. The cubic root of 1011013212 is about 1003.6576757632.

Adding to 1011013212 its reverse (2123101101), we get a palindrome (3134114313).

The spelling of 1011013212 in words is "one billion, eleven million, thirteen thousand, two hundred twelve".