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12030332212 = 2212172471309
BaseRepresentation
bin10110011010001000…
…00100110100110100
31011001102012012022201
423031010010310310
5144114231112322
65305431434244
7604060064563
oct131504046464
934042165281
1012030332212
115113899718
1223b8b25984
131199524a92
14821a75bda
154a6262d27
hex2cd104d34

12030332212 has 12 divisors (see below), whose sum is σ = 21070389060. Its totient is φ = 6010221056.

The previous prime is 12030332203. The next prime is 12030332219. The reversal of 12030332212 is 21223303021.

It can be written as a sum of positive squares in 2 ways, for example, as 4591959696 + 7438372516 = 67764^2 + 86246^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12030332212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12030332219) 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, 1230787 + ... + 1240522.

It is an arithmetic number, because the mean of its divisors is an integer number (1755865755).

Almost surely, 212030332212 is an apocalyptic number.

It is an amenable number.

12030332212 is a deficient number, since it is larger than the sum of its proper divisors (9040056848).

12030332212 is a wasteful number, since it uses less digits than its factorization.

12030332212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472530 (or 2472528 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12030332212 its reverse (21223303021), we get a palindrome (33253635233).

The spelling of 12030332212 in words is "twelve billion, thirty million, three hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 1217 2434 4868 2471309 4942618 9885236 3007583053 6015166106 12030332212