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1012012020211 = 1815591226631
BaseRepresentation
bin11101011101000001001…
…11011111000111110011
310120202011212011021110111
432232200213133013303
5113040100034121321
62052524545442151
7133054413145063
oct16564047370763
93522155137414
101012012020211
11360212447525
12144174940357
1374580a7b5ca
1436da58b33a3
151b4d10ad5e1
hexeba09df1f3

1012012020211 has 4 divisors (see below), whose sum is σ = 1017603247024. Its totient is φ = 1006420793400.

The previous prime is 1012012020199. The next prime is 1012012020233. The reversal of 1012012020211 is 1120202102101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012012020211 - 25 = 1012012020179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012012020191 and 1012012020200.

It is not an unprimeable number, because it can be changed into a prime (1012012020311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2795613135 + ... + 2795613496.

It is an arithmetic number, because the mean of its divisors is an integer number (254400811756).

Almost surely, 21012012020211 is an apocalyptic number.

1012012020211 is a deficient number, since it is larger than the sum of its proper divisors (5591226813).

1012012020211 is an equidigital number, since it uses as much as digits as its factorization.

1012012020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591226812.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012012020211 its reverse (1120202102101), we get a palindrome (2132214122312).

The spelling of 1012012020211 in words is "one trillion, twelve billion, twelve million, twenty thousand, two hundred eleven".

Divisors: 1 181 5591226631 1012012020211