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230012212 = 22612833331
BaseRepresentation
bin11011011010110…
…11010100110100
3121000210211102211
431231123110310
5432340342322
634453543204
75462033353
oct1555332464
9530724384
10230012212
11108921641
1265044b04
1338864a01
142279599a
15152d6b77
hexdb5b534

230012212 has 24 divisors (see below), whose sum is σ = 410688992. Its totient is φ = 112687200.

The previous prime is 230012207. The next prime is 230012221. The reversal of 230012212 is 212210032.

It is a junction number, because it is equal to n+sod(n) for n = 230012192 and 230012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67387 + ... + 70717.

Almost surely, 2230012212 is an apocalyptic number.

It is an amenable number.

230012212 is a deficient number, since it is larger than the sum of its proper divisors (180676780).

230012212 is a wasteful number, since it uses less digits than its factorization.

230012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3679 (or 3677 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 230012212 is about 15166.1535004760. The cubic root of 230012212 is about 612.7034111014.

Adding to 230012212 its reverse (212210032), we get a palindrome (442222244).

The spelling of 230012212 in words is "two hundred thirty million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 61 122 244 283 566 1132 3331 6662 13324 17263 34526 69052 203191 406382 812764 942673 1885346 3770692 57503053 115006106 230012212