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1201210200012 = 223611640997541
BaseRepresentation
bin10001011110101101101…
…101010000111111001100
311020211112101220122022010
4101132231231100333030
5124140034302400022
62315454531221220
7152533052142654
oct21365555207714
94224471818263
101201210200012
1142348092a299
12174976a47810
1389373240aa4
14421d3151364
15213a608d50c
hex117adb50fcc

1201210200012 has 24 divisors (see below), whose sum is σ = 2848771732912. Its totient is φ = 393839409600.

The previous prime is 1201210200007. The next prime is 1201210200019. The reversal of 1201210200012 is 2100020121021.

It is a super-2 number, since 2×12012102000122 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1201210200019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820498039 + ... + 820499502.

Almost surely, 21201210200012 is an apocalyptic number.

1201210200012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201210200012 is an abundant number, since it is smaller than the sum of its proper divisors (1647561532900).

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

1201210200012 is a wasteful number, since it uses less digits than its factorization.

1201210200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640997609 (or 1640997607 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1201210200012 its reverse (2100020121021), we get a palindrome (3301230321033).

The spelling of 1201210200012 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred thousand, twelve".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 1640997541 3281995082 4922992623 6563990164 9845985246 19691970492 100100850001 200201700002 300302550003 400403400004 600605100006 1201210200012