22321131233212 has 24 divisors (see below), whose sum is σ = 45308564895104. Its totient is φ = 9423420008112.

The previous prime is 22321131233189. The next prime is 22321131233227. The reversal of 22321131233212 is 21233213112322.

22321131233212 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22321131233212³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5949126918 + ... + 5949130669.

Almost surely, 2^{22321131233212} is an apocalyptic number.

It is an amenable number.

22321131233212 is an abundant number, since it is smaller than the sum of its proper divisors (22987433661892).

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

22321131233212 is a wasteful number, since it uses less digits than its factorization.

22321131233212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11898257665 (or 11898257663 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

Adding to 22321131233212 its reverse (21233213112322), we get a palindrome (43554344345534).

The spelling of 22321131233212 in words is "twenty-two trillion, three hundred twenty-one billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred twelve".