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1210210002012 = 2231132032862397
BaseRepresentation
bin10001100111000110001…
…000110010010001011100
311021200202121121221201010
4101213012020302101130
5124312002230031022
62323543544215220
7153302063200524
oct21470610622134
94250677557633
101210210002012
11427279aa5790
12176668a6a510
138a178951c0b
1442808514684
152173122b50c
hex119c623245c

1210210002012 has 48 divisors (see below), whose sum is σ = 3081497392512. Its totient is φ = 366615679680.

The previous prime is 1210210001989. The next prime is 1210210002019. The reversal of 1210210002012 is 2102000120121.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210210002019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008403 + ... + 1853994.

It is an arithmetic number, because the mean of its divisors is an integer number (64197862344).

Almost surely, 21210210002012 is an apocalyptic number.

1210210002012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210210002012 is an abundant number, since it is smaller than the sum of its proper divisors (1871287390500).

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

1210210002012 is a wasteful number, since it uses less digits than its factorization.

1210210002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865618 (or 2865616 counting only the distinct ones).

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

Adding to 1210210002012 its reverse (2102000120121), we get a palindrome (3312210122133).

The spelling of 1210210002012 in words is "one trillion, two hundred ten billion, two hundred ten million, two thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 3203 6406 9609 12812 19218 35233 38436 70466 105699 140932 211398 422796 2862397 5724794 8587191 11449588 17174382 31486367 34348764 62972734 94459101 125945468 188918202 377836404 9168257591 18336515182 27504772773 36673030364 55009545546 100850833501 110019091092 201701667002 302552500503 403403334004 605105001006 1210210002012