23120212120120 has 80 divisors (see below), whose sum is σ = 54910493989560. Its totient is φ = 8761341564864.

The previous prime is 23120212120069. The next prime is 23120212120141. The reversal of 23120212120120 is 2102121202132.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2995219 + ... + 7430461.

Almost surely, 2^{23120212120120} is an apocalyptic number.

23120212120120 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 23120212120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27455246994780).

23120212120120 is an abundant number, since it is smaller than the sum of its proper divisors (31790281869440).

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

23120212120120 is an frugal number, since it uses more digits than its factorization.

23120212120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4435330 (or 4435269 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 23120212120120 its reverse (2102121202132), we get a palindrome (25222333322252).

The spelling of 23120212120120 in words is "twenty-three trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty".