2013221012 has 24 divisors (see below), whose sum is σ = 3862948320. Its totient is φ = 910451360.

The previous prime is 2013221011. The next prime is 2013221053. The reversal of 2013221012 is 2101223102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107462 + ... + 124797.

It is an arithmetic number, because the mean of its divisors is an integer number (160956180).

Almost surely, 2^2013221012 is an apocalyptic number.

2013221012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2013221012 is a deficient number, since it is larger than the sum of its proper divisors (1849727308).

2013221012 is a wasteful number, since it uses less digits than its factorization.

2013221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232471 (or 232469 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2013221012 is about 44868.9314782512. The cubic root of 2013221012 is about 1262.6911933688.

Adding to 2013221012 its reverse (2101223102), we get a palindrome (4114444114).

The spelling of 2013221012 in words is "two billion, thirteen million, two hundred twenty-one thousand, twelve".