120012011221009 has 8 divisors (see below), whose sum is σ = 127747853460000. Its totient is φ = 112418111041632.

The previous prime is 120012011221007. The next prime is 120012011221013. The reversal of 120012011221009 is 900122110210021.

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 120012011221009 - 2¹ = 120012011221007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120012011221007) 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, 35485513159 + ... + 35485516540.

It is an arithmetic number, because the mean of its divisors is an integer number (15968481682500).

Almost surely, 2^{120012011221009} is an apocalyptic number.

120012011221009 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

120012011221009 is a deficient number, since it is larger than the sum of its proper divisors (7735842238991).

120012011221009 is an equidigital number, since it uses as much as digits as its factorization.

120012011221009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70971029807.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 120012011221009 in words is "one hundred twenty trillion, twelve billion, eleven million, two hundred twenty-one thousand, nine".