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1210000122010 = 25121000012201
BaseRepresentation
bin10001100110111001101…
…000001010000010011010
311021200012222200221110201
4101212321220022002122
5124311040012401020
62323511045532414
7153263634223501
oct21467150120232
94250188627421
101210000122010
11427181584839
1217660a71410a
138a144318874
14427c86bd838
152171cabea0a
hex119b9a0a09a

1210000122010 has 8 divisors (see below), whose sum is σ = 2178000219636. Its totient is φ = 484000048800.

The previous prime is 1210000121989. The next prime is 1210000122013. The reversal of 1210000122010 is 102210000121.

It can be written as a sum of positive squares in 2 ways, for example, as 1208814490521 + 1185631489 = 1099461^2 + 34433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12100001220103 (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 121000012201 = 1210000122010 / (1 + 2 + 1 + 0 + 0 + 0 + 0 + 1 + 2 + 2 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (1210000122013) 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 3 ways as a sum of consecutive naturals, for example, 60500006091 + ... + 60500006110.

Almost surely, 21210000122010 is an apocalyptic number.

1210000122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210000122010 is a deficient number, since it is larger than the sum of its proper divisors (968000097626).

1210000122010 is a wasteful number, since it uses less digits than its factorization.

1210000122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121000012208.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1210000122010 its reverse (102210000121), we get a palindrome (1312210122131).

The spelling of 1210000122010 in words is "one trillion, two hundred ten billion, one hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 121000012201 242000024402 605000061005 1210000122010