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12020213012 = 2217918239209
BaseRepresentation
bin10110011000111010…
…11110010100010100
31011000201011002101112
423030131132110110
5144104133304022
65304430514152
7603605060543
oct131435362424
934021132345
1012020213012
115109107a45
1223b5665958
1311973c0ba2
148205a015a
154a54148e2
hex2cc75e514

12020213012 has 24 divisors (see below), whose sum is σ = 21166790400. Its totient is φ = 5972603456.

The previous prime is 12020212999. The next prime is 12020213027. The reversal of 12020213012 is 21031202021.

It is a happy number.

12020213012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×120202130122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1300664 + ... + 1309872.

It is an arithmetic number, because the mean of its divisors is an integer number (881949600).

Almost surely, 212020213012 is an apocalyptic number.

It is an amenable number.

12020213012 is a deficient number, since it is larger than the sum of its proper divisors (9146577388).

12020213012 is a wasteful number, since it uses less digits than its factorization.

12020213012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11215 (or 11213 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12020213012 its reverse (21031202021), we get a palindrome (33051415033).

The spelling of 12020213012 in words is "twelve billion, twenty million, two hundred thirteen thousand, twelve".

Divisors: 1 2 4 179 358 716 1823 3646 7292 9209 18418 36836 326317 652634 1305268 1648411 3296822 6593644 16788007 33576014 67152028 3005053253 6010106506 12020213012