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123344124212 = 2279390329507
BaseRepresentation
bin111001011011111100…
…0011111100100110100
3102210101001201201111202
41302313320133210310
54010102043433322
6132355152352032
711624403520451
oct1626770374464
9383331651452
10123344124212
11483455a7141
121baa3845618
13b828c784aa
145d8152a828
15331d872292
hex1cb7e1f934

123344124212 has 12 divisors (see below), whose sum is σ = 218584524480. Its totient is φ = 60891402936.

The previous prime is 123344124191. The next prime is 123344124217. The reversal of 123344124212 is 212421443321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123344124217) 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, 195164438 + ... + 195165069.

It is an arithmetic number, because the mean of its divisors is an integer number (18215377040).

Almost surely, 2123344124212 is an apocalyptic number.

It is an amenable number.

123344124212 is a deficient number, since it is larger than the sum of its proper divisors (95240400268).

123344124212 is a wasteful number, since it uses less digits than its factorization.

123344124212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390329590 (or 390329588 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

Adding to 123344124212 its reverse (212421443321), we get a palindrome (335765567533).

The spelling of 123344124212 in words is "one hundred twenty-three billion, three hundred forty-four million, one hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 79 158 316 390329507 780659014 1561318028 30836031053 61672062106 123344124212