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12212030013012 = 2232339223055917
BaseRepresentation
bin1011000110110101010110…
…1101011111111001010100
31121020110101100221202202100
42301231111231133321110
53100040214140404022
641550043521042100
72400201326254524
oct261552555377124
947213340852670
1012212030013012
113989102636915
121452934186330
136a778815144b
143030cb691684
151629e25931ac
hexb1b55b5fe54

12212030013012 has 18 divisors (see below), whose sum is σ = 30869298088538. Its totient is φ = 4070676670992.

The previous prime is 12212030012989. The next prime is 12212030013077. The reversal of 12212030013012 is 21031003021221.

12212030013012 is a `hidden beast` number, since 1 + 221 + 2 + 0 + 300 + 130 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9242487701316 + 2969542311696 = 3040146^2 + 1723236^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 169611527923 + ... + 169611527994.

Almost surely, 212212030013012 is an apocalyptic number.

12212030013012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212030013012 is an abundant number, since it is smaller than the sum of its proper divisors (18657268075526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212030013012 is a wasteful number, since it uses less digits than its factorization.

12212030013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339223055927 (or 339223055922 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12212030013012 its reverse (21031003021221), we get a palindrome (33243033034233).

The spelling of 12212030013012 in words is "twelve trillion, two hundred twelve billion, thirty million, thirteen thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 339223055917 678446111834 1017669167751 1356892223668 2035338335502 3053007503253 4070676671004 6106015006506 12212030013012