12011202312120 has 192 divisors, whose sum is σ = 43024195599840. Its totient is φ = 2881787904000.

The previous prime is 12011202312091. The next prime is 12011202312139. The reversal of 12011202312120 is 2121320211021.

12011202312120 is a `hidden beast` number, since 1 + 20 + 11 + 202 + 312 + 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 = 12011202312093 and 12011202312102.

It is a congruent number.

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, 15250581 + ... + 16018820.

Almost surely, 2^{12011202312120} is an apocalyptic number.

12011202312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011202312120 is an abundant number, since it is smaller than the sum of its proper divisors (31012993287720).

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

12011202312120 is a wasteful number, since it uses less digits than its factorization.

12011202312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31269526 (or 31269519 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12011202312120 its reverse (2121320211021), we get a palindrome (14132522523141).

The spelling of 12011202312120 in words is "twelve trillion, eleven billion, two hundred two million, three hundred twelve thousand, one hundred twenty".