22010220323212 has 24 divisors (see below), whose sum is σ = 42203002862160. Its totient is φ = 9960957188160.

The previous prime is 22010220323131. The next prime is 22010220323213. The reversal of 22010220323212 is 21232302201022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22010220323213) 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, 1092200143 + ... + 1092220294.

It is an arithmetic number, because the mean of its divisors is an integer number (1758458452590).

Almost surely, 2^{22010220323212} is an apocalyptic number.

22010220323212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22010220323212 is a deficient number, since it is larger than the sum of its proper divisors (20192782538948).

22010220323212 is a wasteful number, since it uses less digits than its factorization.

22010220323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184420681 (or 2184420679 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22010220323212 its reverse (21232302201022), we get a palindrome (43242522524234).

The spelling of 22010220323212 in words is "twenty-two trillion, ten billion, two hundred twenty million, three hundred twenty-three thousand, two hundred twelve".