12212120231022 has 8 divisors (see below), whose sum is σ = 24424240462056. Its totient is φ = 4070706743672.

The previous prime is 12212120230951. The next prime is 12212120231023. The reversal of 12212120231022 is 22013202121221.

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

12212120231022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212120231022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212120231023) 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, 1017676685913 + ... + 1017676685924.

It is an arithmetic number, because the mean of its divisors is an integer number (3053030057757).

Almost surely, 2^{12212120231022} is an apocalyptic number.

12212120231022 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.

12212120231022 is a wasteful number, since it uses less digits than its factorization.

12212120231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035353371842.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 12212120231022 its reverse (22013202121221), we get a palindrome (34225322352243).

The spelling of 12212120231022 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, two hundred thirty-one thousand, twenty-two".