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1202100012012 = 223891125561809
BaseRepresentation
bin10001011111100010101…
…111101000001111101100
311020220211102020202220010
4101133202233220033230
5124143400100341022
62320123115053220
7152564105340024
oct21374257501754
94226742222803
101202100012012
11423898133209
12174b84a41210
13894856ab173
14422793b8a84
152140925650c
hex117e2be83ec

1202100012012 has 24 divisors (see below), whose sum is σ = 2836415761200. Its totient is φ = 396197756416.

The previous prime is 1202100011989. The next prime is 1202100012031. The reversal of 1202100012012 is 2102100012021.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562779837 + ... + 562781972.

It is an arithmetic number, because the mean of its divisors is an integer number (118183990050).

Almost surely, 21202100012012 is an apocalyptic number.

1202100012012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202100012012 is an abundant number, since it is smaller than the sum of its proper divisors (1634315749188).

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

1202100012012 is a wasteful number, since it uses less digits than its factorization.

1202100012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125561905 (or 1125561903 counting only the distinct ones).

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

Adding to 1202100012012 its reverse (2102100012021), we get a palindrome (3304200024033).

Subtracting 1202100012012 from its reverse (2102100012021), we obtain a palindrome (900000000009).

The spelling of 1202100012012 in words is "one trillion, two hundred two billion, one hundred million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 89 178 267 356 534 1068 1125561809 2251123618 3376685427 4502247236 6753370854 13506741708 100175001001 200350002002 300525003003 400700004004 601050006006 1202100012012