Search a number
-
+
1201220120113 = 13122375553187
BaseRepresentation
bin10001011110101110010…
…011000110111000110001
311020211120002120122010021
4101132232103012320301
5124140044322320423
62315455524003441
7152533232360356
oct21365623067061
94224502518107
101201220120113
11423486495422
1217497a230581
1389375305180
14421d45b462d
15213a6d9c95d
hex117ae4c6e31

1201220120113 has 8 divisors (see below), whose sum is σ = 1294679429568. Its totient is φ = 1107911919504.

The previous prime is 1201220120101. The next prime is 1201220120119. The reversal of 1201220120113 is 3110210221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201220120113 - 25 = 1201220120081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201220120119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37760695 + ... + 37792492.

It is an arithmetic number, because the mean of its divisors is an integer number (161834928696).

Almost surely, 21201220120113 is an apocalyptic number.

1201220120113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1201220120113 is a deficient number, since it is larger than the sum of its proper divisors (93459309455).

1201220120113 is a wasteful number, since it uses less digits than its factorization.

1201220120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75554423.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1201220120113 its reverse (3110210221021), we get a palindrome (4311430341134).

The spelling of 1201220120113 in words is "one trillion, two hundred one billion, two hundred twenty million, one hundred twenty thousand, one hundred thirteen".

Divisors: 1 13 1223 15899 75553187 982191431 92401547701 1201220120113