3012222132 has 18 divisors (see below), whose sum is σ = 7614228258. Its totient is φ = 1004074032.

The previous prime is 3012222131. The next prime is 3012222179. The reversal of 3012222132 is 2312222103.

It can be written as a sum of positive squares in only one way, i.e., 1797420816 + 1214801316 = 42396^2 + 34854^2 .

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 not an unprimeable number, because it can be changed into a prime (3012222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41836383 + ... + 41836454.

It is an arithmetic number, because the mean of its divisors is an integer number (423012681).

Almost surely, 2^3012222132 is an apocalyptic number.

It is an amenable number.

3012222132 is an abundant number, since it is smaller than the sum of its proper divisors (4602006126).

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

3012222132 is a wasteful number, since it uses less digits than its factorization.

3012222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83672847 (or 83672842 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3012222132 is about 54883.7146337600. The cubic root of 3012222132 is about 1444.2055125785.

Adding to 3012222132 its reverse (2312222103), we get a palindrome (5324444235).

The spelling of 3012222132 in words is "three billion, twelve million, two hundred twenty-two thousand, one hundred thirty-two".