12120120021099 has 8 divisors (see below), whose sum is σ = 16160179067280. Its totient is φ = 8080070494496.

The previous prime is 12120120020903. The next prime is 12120120021103. The reversal of 12120120021099 is 99012002102121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12120120021099 - 2¹⁵ = 12120119988331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12120120091099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1489669 + ... + 5143865.

It is an arithmetic number, because the mean of its divisors is an integer number (2020022383410).

Almost surely, 2^{12120120021099} is an apocalyptic number.

12120120021099 is a deficient number, since it is larger than the sum of its proper divisors (4040059046181).

12120120021099 is a wasteful number, since it uses less digits than its factorization.

12120120021099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759789.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 12120120021099 in words is "twelve trillion, one hundred twenty billion, one hundred twenty million, twenty-one thousand, ninety-nine".