22130212112 has 10 divisors (see below), whose sum is σ = 42877285998. Its totient is φ = 11065106048.

The previous prime is 22130212087. The next prime is 22130212177. The reversal of 22130212112 is 21121203122.

It can be written as a sum of positive squares in only one way, i.e., 20068688896 + 2061523216 = 141664^2 + 45404^2 .

It is a super-2 number, since 2×22130212112² (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 691569113 + ... + 691569144.

Almost surely, 2^22130212112 is an apocalyptic number.

It is an amenable number.

22130212112 is a deficient number, since it is larger than the sum of its proper divisors (20747073886).

22130212112 is a wasteful number, since it uses less digits than its factorization.

22130212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383138265 (or 1383138259 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22130212112 its reverse (21121203122), we get a palindrome (43251415234).

The spelling of 22130212112 in words is "twenty-two billion, one hundred thirty million, two hundred twelve thousand, one hundred twelve".