23311221200012 has 96 divisors (see below), whose sum is σ = 45237328416000. Its totient is φ = 10471247170560.

The previous prime is 23311221199991. The next prime is 23311221200017. The reversal of 23311221200012 is 21000212211332.

It is not an unprimeable number, because it can be changed into a prime (23311221200017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15649763 + ... + 17074469.

It is an arithmetic number, because the mean of its divisors is an integer number (471222171000).

Almost surely, 2^{23311221200012} is an apocalyptic number.

It is an amenable number.

23311221200012 is a deficient number, since it is larger than the sum of its proper divisors (21926107215988).

23311221200012 is a wasteful number, since it uses less digits than its factorization.

23311221200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424919 (or 1424917 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23311221200012 its reverse (21000212211332), we get a palindrome (44311433411344).

The spelling of 23311221200012 in words is "twenty-three trillion, three hundred eleven billion, two hundred twenty-one million, two hundred thousand, twelve".