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12202002000021 = 326370921812621
BaseRepresentation
bin1011000110001111111111…
…1111101010100010010101
31121012111111111110221000210
42301203333333222202111
53044404200003000041
641541304454000033
72366364661461201
oct261437777524225
947174444427023
1012202002000021
113984927029279
1214509b5946019
136a684a706552
14302819919b01
15162607000016
hexb18fffea895

12202002000021 has 16 divisors (see below), whose sum is σ = 16354231470720. Its totient is φ = 8092307519040.

The previous prime is 12202002000007. The next prime is 12202002000031. The reversal of 12202002000021 is 12000020020221.

It is not a de Polignac number, because 12202002000021 - 27 = 12202001999893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202001999970 and 12202002000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202002000031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10346910 + ... + 11465711.

It is an arithmetic number, because the mean of its divisors is an integer number (1022139466920).

Almost surely, 212202002000021 is an apocalyptic number.

It is an amenable number.

12202002000021 is a deficient number, since it is larger than the sum of its proper divisors (4152229470699).

12202002000021 is a wasteful number, since it uses less digits than its factorization.

12202002000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21813596.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12202002000021 its reverse (12000020020221), we get a palindrome (24202022020242).

The spelling of 12202002000021 in words is "twelve trillion, two hundred two billion, two million, twenty-one", and thus it is an aban number.

Divisors: 1 3 263 709 789 2127 186467 559401 21812621 65437863 5736719323 15465148289 17210157969 46395444867 4067334000007 12202002000021