13223222031212 has 12 divisors (see below), whose sum is σ = 23167577604360. Its totient is φ = 6603914144256.

The previous prime is 13223222031211. The next prime is 13223222031287. The reversal of 13223222031212 is 21213022232231.

13223222031212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13223222031212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13223222031211) 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, 1924213973 + ... + 1924220844.

It is an arithmetic number, because the mean of its divisors is an integer number (1930631467030).

Almost surely, 2^{13223222031212} is an apocalyptic number.

It is an amenable number.

13223222031212 is a deficient number, since it is larger than the sum of its proper divisors (9944355573148).

13223222031212 is a wasteful number, since it uses less digits than its factorization.

13223222031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848435680 (or 3848435678 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13223222031212 its reverse (21213022232231), we get a palindrome (34436244263443).

The spelling of 13223222031212 in words is "thirteen trillion, two hundred twenty-three billion, two hundred twenty-two million, thirty-one thousand, two hundred twelve".