120010111212001 has 4 divisors (see below), whose sum is σ = 120083422216212. Its totient is φ = 119936800207792.

The previous prime is 120010111211987. The next prime is 120010111212007. The reversal of 120010111212001 is 100212111010021.

It is a happy number.

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 22091645030625 + 97918466181376 = 4700175^2 + 9895376^2 .

It is a cyclic number.

It is not a de Polignac number, because 120010111212001 - 2¹³ = 120010111203809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120010111212007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36655499650 + ... + 36655502923.

It is an arithmetic number, because the mean of its divisors is an integer number (30020855554053).

Almost surely, 2^{120010111212001} is an apocalyptic number.

It is an amenable number.

120010111212001 is a deficient number, since it is larger than the sum of its proper divisors (73311004211).

120010111212001 is an equidigital number, since it uses as much as digits as its factorization.

120010111212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73311004210.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 120010111212001 its reverse (100212111010021), we get a palindrome (220222222222022).

The spelling of 120010111212001 in words is "one hundred twenty trillion, ten billion, one hundred eleven million, two hundred twelve thousand, one".