23012221200000 has 384 divisors, whose sum is σ = 76612523984640. Its totient is φ = 6119754240000.

The previous prime is 23012221199959. The next prime is 23012221200041. The reversal of 23012221200000 is 212221032.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23012221199959) and next prime (23012221200041).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440373874 + ... + 440426126.

It is an arithmetic number, because the mean of its divisors is an integer number (199511781210).

Almost surely, 2^{23012221200000} is an apocalyptic number.

23012221200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23012221200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38306261992320).

23012221200000 is an abundant number, since it is smaller than the sum of its proper divisors (53600302784640).

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

23012221200000 is an frugal number, since it uses more digits than its factorization.

23012221200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52662 (or 52630 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 23012221200000 its reverse (212221032), we get a palindrome (23012433421032).

The spelling of 23012221200000 in words is "twenty-three trillion, twelve billion, two hundred twenty-one million, two hundred thousand".