12121000101120 has 144 divisors (see below), whose sum is σ = 39367570979520. Its totient is φ = 3177482452992.

The previous prime is 12121000101109. The next prime is 12121000101149. The reversal of 12121000101120 is 2110100012121.

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 = 12121000101096 and 12121000101105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26523529 + ... + 26976648.

It is an arithmetic number, because the mean of its divisors is an integer number (273385909580).

Almost surely, 2^{12121000101120} is an apocalyptic number.

12121000101120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12121000101120 is an abundant number, since it is smaller than the sum of its proper divisors (27246570878400).

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

12121000101120 is an equidigital number, since it uses as much as digits as its factorization.

12121000101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53500260 (or 53500246 counting only the distinct ones).

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

Adding to 12121000101120 its reverse (2110100012121), we get a palindrome (14231100113241).

The spelling of 12121000101120 in words is "twelve trillion, one hundred twenty-one billion, one hundred one thousand, one hundred twenty".