2012221302 has 32 divisors (see below), whose sum is σ = 4953161472. Its totient is φ = 530695584.

The previous prime is 2012221291. The next prime is 2012221307. The reversal of 2012221302 is 2031222102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012221307) 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 15 ways as a sum of consecutive naturals, for example, 1842148 + ... + 1843239.

It is an arithmetic number, because the mean of its divisors is an integer number (154786296).

Almost surely, 2^2012221302 is an apocalyptic number.

2012221302 is an abundant number, since it is smaller than the sum of its proper divisors (2940940170).

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

2012221302 is a wasteful number, since it uses less digits than its factorization.

2012221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685412.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2012221302 is about 44857.7897583017. The cubic root of 2012221302 is about 1262.4821528961.

Adding to 2012221302 its reverse (2031222102), we get a palindrome (4043443404).

The spelling of 2012221302 in words is "two billion, twelve million, two hundred twenty-one thousand, three hundred two".