22130404212 has 48 divisors (see below), whose sum is σ = 59227521920. Its totient is φ = 6300139392.

The previous prime is 22130404193. The next prime is 22130404259. The reversal of 22130404212 is 21240403122.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 452287 + ... + 498822.

Almost surely, 2^22130404212 is an apocalyptic number.

It is an amenable number.

22130404212 is an abundant number, since it is smaller than the sum of its proper divisors (37097117708).

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

22130404212 is a wasteful number, since it uses less digits than its factorization.

22130404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951400 (or 951398 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22130404212 its reverse (21240403122), we get a palindrome (43370807334).

The spelling of 22130404212 in words is "twenty-two billion, one hundred thirty million, four hundred four thousand, two hundred twelve".