22113320213212 has 48 divisors (see below), whose sum is σ = 38984659590240. Its totient is φ = 10975091500800.

The previous prime is 22113320213197. The next prime is 22113320213279. The reversal of 22113320213212 is 21231202331122.

It is a congruent number.

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, 1003452258 + ... + 1003474294.

It is an arithmetic number, because the mean of its divisors is an integer number (812180408130).

Almost surely, 2^{22113320213212} is an apocalyptic number.

It is an amenable number.

22113320213212 is a deficient number, since it is larger than the sum of its proper divisors (16871339377028).

22113320213212 is a wasteful number, since it uses less digits than its factorization.

22113320213212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24742 (or 24740 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 22113320213212 its reverse (21231202331122), we get a palindrome (43344522544334).

The spelling of 22113320213212 in words is "twenty-two trillion, one hundred thirteen billion, three hundred twenty million, two hundred thirteen thousand, two hundred twelve".