1233212100120 has 2304 divisors, whose sum is σ = 5733986993280. Its totient is φ = 225740390400.

The previous prime is 1233212100079. The next prime is 1233212100167. The reversal of 1233212100120 is 210012123321.

1233212100120 is a `hidden beast` number, since 1 + 2 + 332 + 1 + 210 + 0 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1233212100093 and 1233212100102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 6813326430 + ... + 6813326610.

Almost surely, 2^{1233212100120} is an apocalyptic number.

1233212100120 is a gapful number since it is divisible by the number (10) 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 1233212100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2866993496640).

1233212100120 is an abundant number, since it is smaller than the sum of its proper divisors (4500774893160).

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

1233212100120 is a wasteful number, since it uses less digits than its factorization.

1233212100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1233212100120 its reverse (210012123321), we get a palindrome (1443224223441).

The spelling of 1233212100120 in words is "one trillion, two hundred thirty-three billion, two hundred twelve million, one hundred thousand, one hundred twenty".