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212002220101 = 7123432453701
BaseRepresentation
bin1100010101110001010…
…0010010100001000101
3202021012210120122020211
43011130110102201011
511433140032020401
6241220435155421
721213420065230
oct3053424224105
9667183518224
10212002220101
1181a007a9871
1235107145b71
1316cb7a80369
14a39211a417
1557abed2951
hex315c512845

212002220101 has 8 divisors (see below), whose sum is σ = 242307979904. Its totient is φ = 181701392400.

The previous prime is 212002220069. The next prime is 212002220167. The reversal of 212002220101 is 101022200212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212002220101 - 25 = 212002220069 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 (212002220401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140450 + ... + 1313251.

It is an arithmetic number, because the mean of its divisors is an integer number (30288497488).

Almost surely, 2212002220101 is an apocalyptic number.

It is an amenable number.

212002220101 is a deficient number, since it is larger than the sum of its proper divisors (30305759803).

212002220101 is a wasteful number, since it uses less digits than its factorization.

212002220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466051.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212002220101 its reverse (101022200212), we get a palindrome (313024420313).

The spelling of 212002220101 in words is "two hundred twelve billion, two million, two hundred twenty thousand, one hundred one".

Divisors: 1 7 12343 86401 2453701 17175907 30286031443 212002220101