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212210222220001 = 1347774231212123
BaseRepresentation
bin110000010000000100001010…
…111010011100001011100001
31000211101002200020220102112001
4300100010022322130023201
5210303323013342020001
62031200010311204001
762461453063606645
oct6020041272341341
91024332606812461
10212210222220001
1161686939152555
121b97391a076601
139154451a22105
143a5905b170c25
15198011ca8a001
hexc1010ae9c2e1

212210222220001 has 8 divisors (see below), whose sum is σ = 212229827815104. Its totient is φ = 212190617224560.

The previous prime is 212210222219981. The next prime is 212210222220041. The reversal of 212210222220001 is 100022222012212.

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 212210222220001 - 217 = 212210222088929 is a prime.

It is a super-5 number, since 5×2122102222200015 (a number of 73 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212210222220041) 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, 1000305126 + ... + 1000517248.

It is an arithmetic number, because the mean of its divisors is an integer number (26528728476888).

Almost surely, 2212210222220001 is an apocalyptic number.

It is an amenable number.

212210222220001 is a deficient number, since it is larger than the sum of its proper divisors (19605595103).

212210222220001 is a wasteful number, since it uses less digits than its factorization.

212210222220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299831.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212210222220001 its reverse (100022222012212), we get a palindrome (312232444232213).

The spelling of 212210222220001 in words is "two hundred twelve trillion, two hundred ten billion, two hundred twenty-two million, two hundred twenty thousand, one".

Divisors: 1 13477 74231 212123 1000411187 2858781671 15746102413 212210222220001