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1012121212010 = 25831219423147
BaseRepresentation
bin11101011101001110010…
…00000001010001101010
310120202110110121210110012
432232213020001101222
5113040311012241020
62052543450051522
7133060210232366
oct16564710012152
93522413553405
101012121212010
11360269046987
121441a5419ba2
137459a58cb3c
1436db61b82a6
151b4da97b7c5
hexeba720146a

1012121212010 has 16 divisors (see below), whose sum is σ = 1843767799776. Its totient is φ = 399970791888.

The previous prime is 1012121211971. The next prime is 1012121212043. The reversal of 1012121212010 is 102121212101.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609710744 + ... + 609712403.

It is an arithmetic number, because the mean of its divisors is an integer number (115235487486).

Almost surely, 21012121212010 is an apocalyptic number.

1012121212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012121212010 is a deficient number, since it is larger than the sum of its proper divisors (831646587766).

1012121212010 is a wasteful number, since it uses less digits than its factorization.

1012121212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219423237.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012121212010 its reverse (102121212101), we get a palindrome (1114242424111).

Subtracting from 1012121212010 its reverse (102121212101), we obtain a palindrome (909999999909).

The spelling of 1012121212010 in words is "one trillion, twelve billion, one hundred twenty-one million, two hundred twelve thousand, ten".

Divisors: 1 2 5 10 83 166 415 830 1219423147 2438846294 6097115735 12194231470 101212121201 202424242402 506060606005 1012121212010