212222011004 has 24 divisors (see below), whose sum is σ = 371977135488. Its totient is φ = 105942965040.

The previous prime is 212222011003. The next prime is 212222011031. The reversal of 212222011004 is 400110222212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222011003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6771779 + ... + 6803045.

It is an arithmetic number, because the mean of its divisors is an integer number (15499047312).

Almost surely, 2^212222011004 is an apocalyptic number.

It is an amenable number.

212222011004 is a deficient number, since it is larger than the sum of its proper divisors (159755124484).

212222011004 is a wasteful number, since it uses less digits than its factorization.

212222011004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33905 (or 33903 counting only the distinct ones).

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

Adding to 212222011004 its reverse (400110222212), we get a palindrome (612332233216).

The spelling of 212222011004 in words is "two hundred twelve billion, two hundred twenty-two million, eleven thousand, four".