Search a number
-
+
120123001212231 = 3158325919975901
BaseRepresentation
bin11011010100000001010000…
…110100010000110101000111
3120202022122110111021000122110
4123110001100310100311013
5111221043401302242411
61103251424523432103
734205412644221353
oct3324012064206507
9522278414230573
10120123001212231
1135302973647516
1211580786085633
135204720331264
142193dacc16463
15dd4a1cd3e2a6
hex6d4050d10d47

120123001212231 has 16 divisors (see below), whose sum is σ = 160271526666240. Its totient is φ = 80028242296800.

The previous prime is 120123001212211. The next prime is 120123001212241. The reversal of 120123001212231 is 132212100321021.

It is not a de Polignac number, because 120123001212231 - 210 = 120123001211207 is a prime.

It is a super-2 number, since 2×1201230012122312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120123001212198 and 120123001212207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120123001212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122601381 + ... + 123577281.

It is an arithmetic number, because the mean of its divisors is an integer number (10016970416640).

Almost surely, 2120123001212231 is an apocalyptic number.

120123001212231 is a deficient number, since it is larger than the sum of its proper divisors (40148525454009).

120123001212231 is a wasteful number, since it uses less digits than its factorization.

120123001212231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003406.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 120123001212231 its reverse (132212100321021), we get a palindrome (252335101533252).

The spelling of 120123001212231 in words is "one hundred twenty trillion, one hundred twenty-three billion, one million, two hundred twelve thousand, two hundred thirty-one".

Divisors: 1 3 1583 4749 25919 77757 975901 2927703 41029777 123089331 1544851283 4634553849 25294378019 75883134057 40041000404077 120123001212231