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120111020213 = 204803586471
BaseRepresentation
bin110111111011100101…
…1001011100010110101
3102111000202002000121012
41233313023023202311
53431441410121323
6131102300002005
711451314553332
oct1576713134265
9374022060535
10120111020213
1146a365a3268
121b340b30305
13b4321b8bc2
145b55da5989
1531cead5678
hex1bf72cb8b5

120111020213 has 4 divisors (see below), whose sum is σ = 120111811488. Its totient is φ = 120110228940.

The previous prime is 120111020203. The next prime is 120111020221. The reversal of 120111020213 is 312020111021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 120111020213 - 26 = 120111020149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111020203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 88433 + ... + 498038.

It is an arithmetic number, because the mean of its divisors is an integer number (30027952872).

Almost surely, 2120111020213 is an apocalyptic number.

It is an amenable number.

120111020213 is a deficient number, since it is larger than the sum of its proper divisors (791275).

120111020213 is an equidigital number, since it uses as much as digits as its factorization.

120111020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791274.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120111020213 its reverse (312020111021), we get a palindrome (432131131234).

The spelling of 120111020213 in words is "one hundred twenty billion, one hundred eleven million, twenty thousand, two hundred thirteen".

Divisors: 1 204803 586471 120111020213