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1210202010012 = 223100850167501
BaseRepresentation
bin10001100111000101101…
…010010011000110011100
311021200202001120220202010
4101213011222103012130
5124311443203310022
62323543101031220
7153301635233322
oct21470552230634
94250661526663
101210202010012
11427275537226
12176666255510
138a1770b4318
1442807433d12
152173069d50c
hex119c5a9319c

1210202010012 has 12 divisors (see below), whose sum is σ = 2823804690056. Its totient is φ = 403400670000.

The previous prime is 1210202010011. The next prime is 1210202010037. The reversal of 1210202010012 is 2100102020121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 100850167501 = 1210202010012 / (1 + 2 + 1 + 0 + 2 + 0 + 2 + 0 + 1 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1210202010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210202010011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50425083739 + ... + 50425083762.

Almost surely, 21210202010012 is an apocalyptic number.

1210202010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1210202010012 is an abundant number, since it is smaller than the sum of its proper divisors (1613602680044).

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

1210202010012 is a wasteful number, since it uses less digits than its factorization.

1210202010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100850167508 (or 100850167506 counting only the distinct ones).

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

Adding to 1210202010012 its reverse (2100102020121), we get a palindrome (3310304030133).

The spelling of 1210202010012 in words is "one trillion, two hundred ten billion, two hundred two million, ten thousand, twelve".

Divisors: 1 2 3 4 6 12 100850167501 201700335002 302550502503 403400670004 605101005006 1210202010012