12000121011120 has 160 divisors (see below), whose sum is σ = 41572038219264. Its totient is φ = 2838166067200.

The previous prime is 12000121011107. The next prime is 12000121011169. The reversal of 12000121011120 is 2111012100021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12000121011096 and 12000121011105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55324692 + ... + 55541171.

Almost surely, 2^{12000121011120} is an apocalyptic number.

12000121011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000121011120 is an abundant number, since it is smaller than the sum of its proper divisors (29571917208144).

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

12000121011120 is a wasteful number, since it uses less digits than its factorization.

12000121011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110865931 (or 110865925 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12000121011120 its reverse (2111012100021), we get a palindrome (14111133111141).

The spelling of 12000121011120 in words is "twelve trillion, one hundred twenty-one million, eleven thousand, one hundred twenty".