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1230010012 = 227112438443
BaseRepresentation
bin100100101010000…
…0111011010011100
310011201110222112101
41021110013122130
510004340310022
6322015214444
742323625010
oct11124073234
93151428471
101230010012
11581343800
122a3b17424
13167aa0b9a
14b9502540
1572eb7627
hex4950769c

1230010012 has 72 divisors (see below), whose sum is σ = 2767200128. Its totient is φ = 468024480.

The previous prime is 1230010009. The next prime is 1230010021. The reversal of 1230010012 is 2100100321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141463 + ... + 149905.

Almost surely, 21230010012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230010012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383600064).

1230010012 is an abundant number, since it is smaller than the sum of its proper divisors (1537190116).

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

1230010012 is a wasteful number, since it uses less digits than its factorization.

1230010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519 (or 8506 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1230010012 is about 35071.4985707768. The cubic root of 1230010012 is about 1071.4441768021. Note that the first 3 decimals are identical.

Adding to 1230010012 its reverse (2100100321), we get a palindrome (3330110333).

The spelling of 1230010012 in words is "one billion, two hundred thirty million, ten thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 43 44 77 86 121 154 172 242 301 308 473 484 602 847 946 1204 1694 1892 3311 3388 5203 6622 8443 10406 13244 16886 20812 33772 36421 59101 72842 92873 118202 145684 185746 236404 363049 371492 650111 726098 1021603 1300222 1452196 2043206 2541343 2600444 3993539 4086412 5082686 7151221 7987078 10165372 14302442 15974156 27954773 28604884 43928929 55909546 87857858 111819092 175715716 307502503 615005006 1230010012