42222011012 has 12 divisors (see below), whose sum is σ = 73901167116. Its totient is φ = 21107391840.

The previous prime is 42222011009. The next prime is 42222011057. The reversal of 42222011012 is 21011022224.

It can be written as a sum of positive squares in 2 ways, for example, as 35229037636 + 6992973376 = 187694^2 + 83624^2 .

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 3 ways as a sum of consecutive naturals, for example, 877043 + ... + 923930.

It is an arithmetic number, because the mean of its divisors is an integer number (6158430593).

Almost surely, 2^42222011012 is an apocalyptic number.

It is an amenable number.

42222011012 is a deficient number, since it is larger than the sum of its proper divisors (31679156104).

42222011012 is a wasteful number, since it uses less digits than its factorization.

42222011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806838 (or 1806836 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 42222011012 its reverse (21011022224), we get a palindrome (63233033236).

The spelling of 42222011012 in words is "forty-two billion, two hundred twenty-two million, eleven thousand, twelve".