Search a number
-
+
1210210122012 = 2233710103269791
BaseRepresentation
bin10001100111000110001…
…001001111100100011100
311021200202121212001022120
4101213012021033210130
5124312002242401022
62323543550542540
7153302064210423
oct21470611174434
94250677761276
101210210122012
1142727a077961
12176668b07a50
138a178994718
14428085462ba
1521731251d5c
hex119c624f91c

1210210122012 has 48 divisors (see below), whose sum is σ = 2900440983552. Its totient is φ = 392460275520.

The previous prime is 1210210121941. The next prime is 1210210122029. The reversal of 1210210122012 is 2102210120121.

It is a junction number, because it is equal to n+sod(n) for n = 1210210121982 and 1210210122000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4350837 + ... + 4620627.

It is an arithmetic number, because the mean of its divisors is an integer number (60425853824).

Almost surely, 21210210122012 is an apocalyptic number.

1210210122012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210210122012 is an abundant number, since it is smaller than the sum of its proper divisors (1690230861540).

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

1210210122012 is a wasteful number, since it uses less digits than its factorization.

1210210122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279938 (or 279936 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1210210122012 its reverse (2102210120121), we get a palindrome (3312420242133).

The spelling of 1210210122012 in words is "one trillion, two hundred ten billion, two hundred ten million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 10103 20206 30309 40412 60618 121236 269791 373811 539582 747622 809373 1079164 1121433 1495244 1618746 2242866 3237492 4485732 9982267 19964534 29946801 39929068 59893602 119787204 2725698473 5451396946 8177095419 10902793892 16354190838 32708381676 100850843501 201701687002 302552530503 403403374004 605105061006 1210210122012