12012100322120 has 16 divisors (see below), whose sum is σ = 27027225724860. Its totient is φ = 4804840128832.

The previous prime is 12012100322119. The next prime is 12012100322129. The reversal of 12012100322120 is 2122300121021.

It can be written as a sum of positive squares in 2 ways, for example, as 11907979230436 + 104121091684 = 3450794^2 + 322678^2 .

It is a super-2 number, since 2×12012100322120² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12012100322129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150151253987 + ... + 150151254066.

Almost surely, 2^{12012100322120} is an apocalyptic number.

12012100322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12012100322120 is an abundant number, since it is smaller than the sum of its proper divisors (15015125402740).

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

12012100322120 is a wasteful number, since it uses less digits than its factorization.

12012100322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300302508064 (or 300302508060 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12012100322120 its reverse (2122300121021), we get a palindrome (14134400443141).

The spelling of 12012100322120 in words is "twelve trillion, twelve billion, one hundred million, three hundred twenty-two thousand, one hundred twenty".