Search a number
-
+
120102212120101 = 407329487407837
BaseRepresentation
bin11011010011101101111001…
…101100001010111000100101
3120202020122210122220201111021
4123103231321230022320211
5111220223312300320401
61103234110005211141
734204045530651331
oct3323557154127045
9522218718821437
10120102212120101
11352a5075757942
1211578743a00ab1
135202789322603
142192d99c047c1
15dd4202ba32a1
hex6d3b79b0ae25

120102212120101 has 4 divisors (see below), whose sum is σ = 120131699532012. Its totient is φ = 120072724708192.

The previous prime is 120102212119991. The next prime is 120102212120129. The reversal of 120102212120101 is 101021212201021.

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 34899158817601 + 85203053302500 = 5907551^2 + 9230550^2 .

It is a cyclic number.

It is not a de Polignac number, because 120102212120101 - 219 = 120102211595813 is a prime.

It is a super-2 number, since 2×1201022121201012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120102212124101) 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, 14743699846 + ... + 14743707991.

It is an arithmetic number, because the mean of its divisors is an integer number (30032924883003).

Almost surely, 2120102212120101 is an apocalyptic number.

It is an amenable number.

120102212120101 is a deficient number, since it is larger than the sum of its proper divisors (29487411911).

120102212120101 is an equidigital number, since it uses as much as digits as its factorization.

120102212120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29487411910.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120102212120101 its reverse (101021212201021), we get a palindrome (221123424321122).

The spelling of 120102212120101 in words is "one hundred twenty trillion, one hundred two billion, two hundred twelve million, one hundred twenty thousand, one hundred one".

Divisors: 1 4073 29487407837 120102212120101