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12321021032212 = 2227893110431121
BaseRepresentation
bin1011001101001011011000…
…0101001111011100010100
31121121212201010210012200011
42303102312011033130110
53103331422341012322
642112110544530004
72411110246531144
oct263226605173424
947555633705604
1012321021032212
113a203521897a2
12146ba91020904
136b4b375b8499
143084aa86a924
15165770cd3677
hexb34b614f714

12321021032212 has 12 divisors (see below), whose sum is σ = 21562560019476. Its totient is φ = 6160289598080.

The previous prime is 12321021032197. The next prime is 12321021032251. The reversal of 12321021032212 is 21223012012321.

12321021032212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6235987862416 + 6085033169796 = 2497196^2 + 2466786^2 .

It is a super-3 number, since 3×123210210322123 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55103989 + ... + 55327132.

It is an arithmetic number, because the mean of its divisors is an integer number (1796880001623).

Almost surely, 212321021032212 is an apocalyptic number.

It is an amenable number.

12321021032212 is a deficient number, since it is larger than the sum of its proper divisors (9241538987264).

12321021032212 is a wasteful number, since it uses less digits than its factorization.

12321021032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110459018 (or 110459016 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12321021032212 its reverse (21223012012321), we get a palindrome (33544033044533).

The spelling of 12321021032212 in words is "twelve trillion, three hundred twenty-one billion, twenty-one million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 4 27893 55786 111572 110431121 220862242 441724484 3080255258053 6160510516106 12321021032212