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1230200012 = 22853360551
BaseRepresentation
bin100100101010011…
…0101110011001100
310011201211122011102
41021110311303030
510004412400022
6322023242232
742325345646
oct11124656314
93151748142
101230200012
11581463528
122a3ba9378
13167b39502
14b9551896
1573003a92
hex49535ccc

1230200012 has 12 divisors (see below), whose sum is σ = 2155379856. Its totient is φ = 614377200.

The previous prime is 1230199963. The next prime is 1230200017. The reversal of 1230200012 is 2100020321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1230199966 and 1230200002.

It is not an unprimeable number, because it can be changed into a prime (1230200017) 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, 176864 + ... + 183687.

It is an arithmetic number, because the mean of its divisors is an integer number (179614988).

Almost surely, 21230200012 is an apocalyptic number.

It is an amenable number.

1230200012 is a deficient number, since it is larger than the sum of its proper divisors (925179844).

1230200012 is a wasteful number, since it uses less digits than its factorization.

1230200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361408 (or 361406 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1230200012 is about 35074.2072184105. The cubic root of 1230200012 is about 1071.4993427250.

Adding to 1230200012 its reverse (2100020321), we get a palindrome (3330220333).

The spelling of 1230200012 in words is "one billion, two hundred thirty million, two hundred thousand, twelve".

Divisors: 1 2 4 853 1706 3412 360551 721102 1442204 307550003 615100006 1230200012