23102012213220 has 24 divisors (see below), whose sum is σ = 64685634197184. Its totient is φ = 6160536590176.

The previous prime is 23102012213209. The next prime is 23102012213227. The reversal of 23102012213220 is 2231221020132.

It is not an unprimeable number, because it can be changed into a prime (23102012213227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192516768384 + ... + 192516768503.

It is an arithmetic number, because the mean of its divisors is an integer number (2695234758216).

Almost surely, 2^{23102012213220} is an apocalyptic number.

23102012213220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23102012213220 is an abundant number, since it is smaller than the sum of its proper divisors (41583621983964).

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

23102012213220 is a wasteful number, since it uses less digits than its factorization.

23102012213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385033536899 (or 385033536897 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23102012213220 its reverse (2231221020132), we get a palindrome (25333233233352).

The spelling of 23102012213220 in words is "twenty-three trillion, one hundred two billion, twelve million, two hundred thirteen thousand, two hundred twenty".