120012120001 has 2 divisors, whose sum is σ = 120012120002. Its totient is φ = 120012120000.

The previous prime is 120012119987. The next prime is 120012120017. The reversal of 120012120001 is 100021210021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91702374976 + 28309745025 = 302824^2 + 168255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120012120001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120012120001.

It is not a weakly prime, because it can be changed into another prime (120012120401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006060000 + 60006060001.

It is an arithmetic number, because the mean of its divisors is an integer number (60006060001).

Almost surely, 2^120012120001 is an apocalyptic number.

It is an amenable number.

120012120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120012120001 is an equidigital number, since it uses as much as digits as its factorization.

120012120001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120012120001 its reverse (100021210021), we get a palindrome (220033330022).

The spelling of 120012120001 in words is "one hundred twenty billion, twelve million, one hundred twenty thousand, one".