23012221311222 has 64 divisors (see below), whose sum is σ = 55221113816064. Its totient is φ = 6300027843840.

The previous prime is 23012221311161. The next prime is 23012221311223. The reversal of 23012221311222 is 22211312221032.

It is a junction number, because it is equal to n+sod(n) for n = 23012221311192 and 23012221311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23012221311223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285287023 + ... + 285367674.

It is an arithmetic number, because the mean of its divisors is an integer number (862829903376).

Almost surely, 2^{23012221311222} is an apocalyptic number.

23012221311222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23012221311222 is an abundant number, since it is smaller than the sum of its proper divisors (32208892504842).

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

23012221311222 is a wasteful number, since it uses less digits than its factorization.

23012221311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570654773.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 23012221311222 its reverse (22211312221032), we get a palindrome (45223533532254).

The spelling of 23012221311222 in words is "twenty-three trillion, twelve billion, two hundred twenty-one million, three hundred eleven thousand, two hundred twenty-two".