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120003212101 = 499240487399
BaseRepresentation
bin110111111000010111…
…1111011001101000101
3102110202020012210200011
41233300233323031011
53431231310241401
6131043445150221
711445535321063
oct1576057731505
9373666183604
10120003212101
1146990759453
121b3109bb371
13b415a70416
145b45941033
1531c53dc451
hex1bf0bfb345

120003212101 has 4 divisors (see below), whose sum is σ = 120243700000. Its totient is φ = 119762724204.

The previous prime is 120003212081. The next prime is 120003212111. The reversal of 120003212101 is 101212300021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120003212101 - 211 = 120003210053 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 (120003212111) 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, 120243201 + ... + 120244198.

It is an arithmetic number, because the mean of its divisors is an integer number (30060925000).

Almost surely, 2120003212101 is an apocalyptic number.

It is an amenable number.

120003212101 is a deficient number, since it is larger than the sum of its proper divisors (240487899).

120003212101 is an equidigital number, since it uses as much as digits as its factorization.

120003212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240487898.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 120003212101 its reverse (101212300021), we get a palindrome (221215512122).

The spelling of 120003212101 in words is "one hundred twenty billion, three million, two hundred twelve thousand, one hundred one".

Divisors: 1 499 240487399 120003212101