23321212221012 has 12 divisors (see below), whose sum is σ = 54416161849056. Its totient is φ = 7773737407000.

The previous prime is 23321212220941. The next prime is 23321212221049. The reversal of 23321212221012 is 21012221212332.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 971717175864 + ... + 971717175887.

It is an arithmetic number, because the mean of its divisors is an integer number (4534680154088).

Almost surely, 2^{23321212221012} is an apocalyptic number.

It is an amenable number.

23321212221012 is an abundant number, since it is smaller than the sum of its proper divisors (31094949628044).

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

23321212221012 is a wasteful number, since it uses less digits than its factorization.

23321212221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943434351758 (or 1943434351756 counting only the distinct ones).

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

Adding to 23321212221012 its reverse (21012221212332), we get a palindrome (44333433433344).

The spelling of 23321212221012 in words is "twenty-three trillion, three hundred twenty-one billion, two hundred twelve million, two hundred twenty-one thousand, twelve".