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1220110210002 = 23793976483809
BaseRepresentation
bin10001110000010100001…
…111000101001111010010
311022122022120121121221010
4101300110033011033102
5124442241203210002
62332302204111350
7154102316444625
oct21602417051722
94278276547833
101220110210002
1143049a450562
12178570535556
138b095a6c458
14430a72dbdbc
1521b1047646c
hex11c143c53d2

1220110210002 has 32 divisors (see below), whose sum is σ = 2477334124800. Its totient is φ = 400543723008.

The previous prime is 1220110209961. The next prime is 1220110210003. The reversal of 1220110210002 is 2000120110221.

It is a super-2 number, since 2×12201102100022 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1220110210002.

It is not an unprimeable number, because it can be changed into a prime (1220110210003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3053727 + ... + 3430082.

It is an arithmetic number, because the mean of its divisors is an integer number (77416691400).

Almost surely, 21220110210002 is an apocalyptic number.

1220110210002 is an abundant number, since it is smaller than the sum of its proper divisors (1257223914798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220110210002 is a wasteful number, since it uses less digits than its factorization.

1220110210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484290.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220110210002 its reverse (2000120110221), we get a palindrome (3220230320223).

The spelling of 1220110210002 in words is "one trillion, two hundred twenty billion, one hundred ten million, two hundred ten thousand, two".

Divisors: 1 2 3 6 79 158 237 397 474 794 1191 2382 31363 62726 94089 188178 6483809 12967618 19451427 38902854 512220911 1024441822 1536662733 2574072173 3073325466 5148144346 7722216519 15444433038 203351701667 406703403334 610055105001 1220110210002