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212102202301 = 1119282018391
BaseRepresentation
bin1100010110001001000…
…1101100001110111101
3202021110202201021001021
43011202101230032331
511433341130433201
6241234410144141
721216042654433
oct3054221541675
9667422637037
10212102202301
1181a52188990
1235134722051
13170026b8a22
14a3a1504d53
1557b5b81ea1
hex316246c3bd

212102202301 has 4 divisors (see below), whose sum is σ = 231384220704. Its totient is φ = 192820183900.

The previous prime is 212102202281. The next prime is 212102202307. The reversal of 212102202301 is 103202201212.

It is a happy number.

212102202301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212102202301 - 25 = 212102202269 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 (212102202307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9641009185 + ... + 9641009206.

It is an arithmetic number, because the mean of its divisors is an integer number (57846055176).

Almost surely, 2212102202301 is an apocalyptic number.

It is an amenable number.

212102202301 is a deficient number, since it is larger than the sum of its proper divisors (19282018403).

212102202301 is a wasteful number, since it uses less digits than its factorization.

212102202301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19282018402.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212102202301 its reverse (103202201212), we get a palindrome (315304403513).

The spelling of 212102202301 in words is "two hundred twelve billion, one hundred two million, two hundred two thousand, three hundred one".

Divisors: 1 11 19282018391 212102202301