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1212013002201 = 32319988268371
BaseRepresentation
bin10001101000110001100…
…110101011110111011001
311021212102021021211222220
4101220301212223313121
5124324200312032301
62324442512534253
7153364545352041
oct21506146536731
94255367254886
101212013002201
11428014819491
12176a90851389
138a3a5352731
1442939b6c721
15217d9678936
hex11a319abdd9

1212013002201 has 16 divisors (see below), whose sum is σ = 1694752742400. Its totient is φ = 768994039440.

The previous prime is 1212013002181. The next prime is 1212013002203. The reversal of 1212013002201 is 1022003102121.

It is not a de Polignac number, because 1212013002201 - 213 = 1212012994009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212013002203) 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, 44120455 + ... + 44147916.

It is an arithmetic number, because the mean of its divisors is an integer number (105922046400).

Almost surely, 21212013002201 is an apocalyptic number.

It is an amenable number.

1212013002201 is a deficient number, since it is larger than the sum of its proper divisors (482739740199).

1212013002201 is a wasteful number, since it uses less digits than its factorization.

1212013002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88268596.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1212013002201 its reverse (1022003102121), we get a palindrome (2234016104322).

The spelling of 1212013002201 in words is "one trillion, two hundred twelve billion, thirteen million, two thousand, two hundred one".

Divisors: 1 3 23 69 199 597 4577 13731 88268371 264805113 2030172533 6090517599 17565405829 52696217487 404004334067 1212013002201