12031201222012 has 96 divisors (see below), whose sum is σ = 25915784993280. Its totient is φ = 4772903823360.

The previous prime is 12031201222003. The next prime is 12031201222021. The reversal of 12031201222012 is 21022210213021.

It is an interprime number because it is at equal distance from previous prime (12031201222003) and next prime (12031201222021).

It is a super-2 number, since 2×12031201222012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2707812 + ... + 5603092.

It is an arithmetic number, because the mean of its divisors is an integer number (269956093680).

Almost surely, 2^{12031201222012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12031201222012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12957892496640).

12031201222012 is an abundant number, since it is smaller than the sum of its proper divisors (13884583771268).

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

12031201222012 is a wasteful number, since it uses less digits than its factorization.

12031201222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895491 (or 2895489 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12031201222012 its reverse (21022210213021), we get a palindrome (33053411435033).

The spelling of 12031201222012 in words is "twelve trillion, thirty-one billion, two hundred one million, two hundred twenty-two thousand, twelve".