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2220001210212 = 2231619114268129
BaseRepresentation
bin100000010011100010011…
…000100010111101100100
321212020012200221021210220
4200103202120202331210
5242333030302211322
64415504322244340
7316250461636212
oct40234230427544
97766180837726
102220001210212
11786551898285
122ba301ab66b0
13131464592c76
147963d08dcb2
153cb3235b55c
hex204e2622f64

2220001210212 has 24 divisors (see below), whose sum is σ = 5183202376800. Its totient is φ = 739543324416.

The previous prime is 2220001210187. The next prime is 2220001210253. The reversal of 2220001210212 is 2120121000222.

It is a super-2 number, since 2×22200012102122 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220001210191 and 2220001210200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57114637 + ... + 57153492.

It is an arithmetic number, because the mean of its divisors is an integer number (215966765700).

Almost surely, 22220001210212 is an apocalyptic number.

It is an amenable number.

2220001210212 is an abundant number, since it is smaller than the sum of its proper divisors (2963201166588).

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

2220001210212 is a wasteful number, since it uses less digits than its factorization.

2220001210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114269755 (or 114269753 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2220001210212 its reverse (2120121000222), we get a palindrome (4340122210434).

The spelling of 2220001210212 in words is "two trillion, two hundred twenty billion, one million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1619 3238 4857 6476 9714 19428 114268129 228536258 342804387 457072516 685608774 1371217548 185000100851 370000201702 555000302553 740000403404 1110000605106 2220001210212