120012110120101 has 12 divisors (see below), whose sum is σ = 124009455199212. Its totient is φ = 116139717624000.

The previous prime is 120012110120047. The next prime is 120012110120173. The reversal of 120012110120101 is 101021011210021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 89908342964001 + 30103767156100 = 9482001^2 + 5486690^2 .

It is not a de Polignac number, because 120012110120101 - 2¹⁹ = 120012109595813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120012110190101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121324731 + ... + 122309911.

It is an arithmetic number, because the mean of its divisors is an integer number (10334121266601).

Almost surely, 2^{120012110120101} is an apocalyptic number.

It is an amenable number.

120012110120101 is a deficient number, since it is larger than the sum of its proper divisors (3997345079111).

120012110120101 is an equidigital number, since it uses as much as digits as its factorization.

120012110120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112004 (or 1111973 counting only the distinct ones).

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

Adding to 120012110120101 its reverse (101021011210021), we get a palindrome (221033121330122).

The spelling of 120012110120101 in words is "one hundred twenty trillion, twelve billion, one hundred ten million, one hundred twenty thousand, one hundred one".