Search a number
-
+
12120313201 = 101120003101
BaseRepresentation
bin10110100100110110…
…10100110101110001
31011021200111201000221
423102123110311301
5144310300010301
65322404213041
7606231651043
oct132233246561
934250451027
1012120313201
11515a667777
12242309a181
1311b206b179
1482d9b9a93
154ae0d8da1
hex2d26d4d71

12120313201 has 4 divisors (see below), whose sum is σ = 12240316404. Its totient is φ = 12000310000.

The previous prime is 12120313193. The next prime is 12120313229. The reversal of 12120313201 is 10231302121.

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 11911539600 + 208773601 = 109140^2 + 14449^2 .

It is a cyclic number.

It is not a de Polignac number, because 12120313201 - 23 = 12120313193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12120313801) 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, 60001450 + ... + 60001651.

It is an arithmetic number, because the mean of its divisors is an integer number (3060079101).

Almost surely, 212120313201 is an apocalyptic number.

It is an amenable number.

12120313201 is a deficient number, since it is larger than the sum of its proper divisors (120003203).

12120313201 is a wasteful number, since it uses less digits than its factorization.

12120313201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120003202.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12120313201 its reverse (10231302121), we get a palindrome (22351615322).

The spelling of 12120313201 in words is "twelve billion, one hundred twenty million, three hundred thirteen thousand, two hundred one".

Divisors: 1 101 120003101 12120313201