13322211231812 has 24 divisors (see below), whose sum is σ = 26645095275456. Its totient is φ = 5709374925408.

The previous prime is 13322211231811. The next prime is 13322211231839. The reversal of 13322211231812 is 21813211222331.

It is a super-3 number, since 3×13322211231812³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13322211231811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4874858 + ... + 7099905.

It is an arithmetic number, because the mean of its divisors is an integer number (1110212303144).

Almost surely, 2^{13322211231812} is an apocalyptic number.

It is an amenable number.

13322211231812 is an abundant number, since it is smaller than the sum of its proper divisors (13322884043644).

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

13322211231812 is a wasteful number, since it uses less digits than its factorization.

13322211231812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12014507 (or 12014505 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The spelling of 13322211231812 in words is "thirteen trillion, three hundred twenty-two billion, two hundred eleven million, two hundred thirty-one thousand, eight hundred twelve".