120102212005 has 8 divisors (see below), whose sum is σ = 144127825272. Its totient is φ = 96078322368.

The previous prime is 120102211997. The next prime is 120102212029. The reversal of 120102212005 is 500212201021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 38736931489 + 81365280516 = 196817^2 + 285246^2 .

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 120102212005 - 2³ = 120102211997 is a prime.

It is a super-2 number, since 2×120102212005² (a number of 23 digits) contains 22 as substring.

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 120102212005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272302 + ... + 560671.

It is an arithmetic number, because the mean of its divisors is an integer number (18015978159).

Almost surely, 2^120102212005 is an apocalyptic number.

It is an amenable number.

120102212005 is a deficient number, since it is larger than the sum of its proper divisors (24025613267).

120102212005 is an equidigital number, since it uses as much as digits as its factorization.

120102212005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861815.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 120102212005 its reverse (500212201021), we get a palindrome (620314413026).

The spelling of 120102212005 in words is "one hundred twenty billion, one hundred two million, two hundred twelve thousand, five".