12213321123012 has 48 divisors (see below), whose sum is σ = 28526838609024. Its totient is φ = 4066952032000.

The previous prime is 12213321123001. The next prime is 12213321123103. The reversal of 12213321123012 is 21032112331221.

It is a super-2 number, since 2×12213321123012² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208278937 + ... + 208337567.

It is an arithmetic number, because the mean of its divisors is an integer number (594309137688).

Almost surely, 2^{12213321123012} is an apocalyptic number.

12213321123012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12213321123012 is an abundant number, since it is smaller than the sum of its proper divisors (16313517486012).

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

12213321123012 is a wasteful number, since it uses less digits than its factorization.

12213321123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76060 (or 76058 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 12213321123012 its reverse (21032112331221), we get a palindrome (33245433454233).

The spelling of 12213321123012 in words is "twelve trillion, two hundred thirteen billion, three hundred twenty-one million, one hundred twenty-three thousand, twelve".