12212131223022 has 8 divisors (see below), whose sum is σ = 24424262446056. Its totient is φ = 4070710407672.

The previous prime is 12212131223021. The next prime is 12212131223029. The reversal of 12212131223022 is 22032213121221.

It is a sphenic number, since it is the product of 3 distinct primes.

12212131223022 is an admirable number.

It is a super-2 number, since 2×12212131223022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12212131222983 and 12212131223001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212131223021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017677601913 + ... + 1017677601924.

It is an arithmetic number, because the mean of its divisors is an integer number (3053032805757).

Almost surely, 2^{12212131223022} is an apocalyptic number.

12212131223022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12212131223022 is a wasteful number, since it uses less digits than its factorization.

12212131223022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035355203842.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 12212131223022 its reverse (22032213121221), we get a palindrome (34244344344243).

The spelling of 12212131223022 in words is "twelve trillion, two hundred twelve billion, one hundred thirty-one million, two hundred twenty-three thousand, twenty-two".