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2111001012012 = 223175916751001
BaseRepresentation
bin11110101110000001011…
…101110010011100101100
321110210212021211111200010
4132232001131302130230
5234041312224341022
64253440325533220
7305341400352624
oct36560135623454
97423767744603
102111001012012
117442a8046052
122a1161b74210
131240b3263c79
147425c9a5884
1539da2e0650c
hex1eb8177272c

2111001012012 has 12 divisors (see below), whose sum is σ = 4925669028056. Its totient is φ = 703667004000.

The previous prime is 2111001011981. The next prime is 2111001012053. The reversal of 2111001012012 is 2102101001112.

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: 175916751001 = 2111001012012 / (2 + 1 + 1 + 1 + 0 + 0 + 1 + 0 + 1 + 2 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87958375489 + ... + 87958375512.

Almost surely, 22111001012012 is an apocalyptic number.

It is an amenable number.

2111001012012 is an abundant number, since it is smaller than the sum of its proper divisors (2814668016044).

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

2111001012012 is a wasteful number, since it uses less digits than its factorization.

2111001012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175916751008 (or 175916751006 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2111001012012 its reverse (2102101001112), we get a palindrome (4213102013124).

The spelling of 2111001012012 in words is "two trillion, one hundred eleven billion, one million, twelve thousand, twelve".

Divisors: 1 2 3 4 6 12 175916751001 351833502002 527750253003 703667004004 1055500506006 2111001012012