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120230112012 = 22312583796247
BaseRepresentation
bin110111111111001000…
…1011110101100001100
3102111100001011111211120
41233332101132230030
53432212402041022
6131122152320540
711454262042623
oct1577621365414
9374301144746
10120230112012
1146a9784473a
121b3749a3150
13b450a8561a
145b67b266ba
1531da2abd5c
hex1bfe45eb0c

120230112012 has 24 divisors (see below), whose sum is σ = 280559575296. Its totient is φ = 40073468688.

The previous prime is 120230112011. The next prime is 120230112073. The reversal of 120230112012 is 210211032021.

It is a junction number, because it is equal to n+sod(n) for n = 120230111982 and 120230112000.

It is not an unprimeable number, because it can be changed into a prime (120230112011) 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, 247128 + ... + 549119.

It is an arithmetic number, because the mean of its divisors is an integer number (11689982304).

Almost surely, 2120230112012 is an apocalyptic number.

120230112012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120230112012 is an abundant number, since it is smaller than the sum of its proper divisors (160329463284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120230112012 is a wasteful number, since it uses less digits than its factorization.

120230112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808837 (or 808835 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 120230112012 its reverse (210211032021), we get a palindrome (330441144033).

The spelling of 120230112012 in words is "one hundred twenty billion, two hundred thirty million, one hundred twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 12583 25166 37749 50332 75498 150996 796247 1592494 2388741 3184988 4777482 9554964 10019176001 20038352002 30057528003 40076704004 60115056006 120230112012