120012030001 has 4 divisors (see below), whose sum is σ = 120013514100. Its totient is φ = 120010545904.

The previous prime is 120012029987. The next prime is 120012030011. The reversal of 120012030001 is 100030210021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12099780001 + 107912250000 = 109999^2 + 328500^2 .

It is a cyclic number.

It is not a de Polignac number, because 120012030001 - 2²⁵ = 119978475569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120012030001.

It is not an unprimeable number, because it can be changed into a prime (120012030011) 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, 613306 + ... + 784963.

It is an arithmetic number, because the mean of its divisors is an integer number (30003378525).

Almost surely, 2^120012030001 is an apocalyptic number.

It is an amenable number.

120012030001 is a deficient number, since it is larger than the sum of its proper divisors (1484099).

120012030001 is an equidigital number, since it uses as much as digits as its factorization.

120012030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484098.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 120012030001 its reverse (100030210021), we get a palindrome (220042240022).

The spelling of 120012030001 in words is "one hundred twenty billion, twelve million, thirty thousand, one".