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10012120033211 = 20918947861599
BaseRepresentation
bin1001000110110010000011…
…0110111010011110111011
31022110011000212012201210022
42101230200312322132323
52303014310212030321
633143300543241055
72052231445051142
oct221544066723673
938404025181708
1010012120033211
11321013081a39a
1211584ba8a918b
135781a61290ca
14268836a74759
15125688ec3dab
hex91b20dba7bb

10012120033211 has 4 divisors (see below), whose sum is σ = 10012168104000. Its totient is φ = 10012071962424.

The previous prime is 10012120033193. The next prime is 10012120033241. The reversal of 10012120033211 is 11233002121001.

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 10012120033211 - 26 = 10012120033147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10012120033211.

It is not an unprimeable number, because it can be changed into a prime (10012120033241) 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, 23721611 + ... + 24139988.

It is an arithmetic number, because the mean of its divisors is an integer number (2503042026000).

Almost surely, 210012120033211 is an apocalyptic number.

10012120033211 is a deficient number, since it is larger than the sum of its proper divisors (48070789).

10012120033211 is an equidigital number, since it uses as much as digits as its factorization.

10012120033211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48070788.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10012120033211 its reverse (11233002121001), we get a palindrome (21245122154212).

The spelling of 10012120033211 in words is "ten trillion, twelve billion, one hundred twenty million, thirty-three thousand, two hundred eleven".

Divisors: 1 209189 47861599 10012120033211