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1220210120222 = 23301991847689
BaseRepresentation
bin10001110000011010001…
…100001101011000011110
311022122120112121120222122
4101300122030031120132
5124442442242321342
62332320133342542
7154104641614232
oct21603214153036
94278515546878
101220210120222
11430540890595
12178599a97a52
138b0b0681122
14430b66a85c2
1521b1910e4d2
hex11c1a30d61e

1220210120222 has 8 divisors (see below), whose sum is σ = 1830321714000. Its totient is φ = 610102882224.

The previous prime is 1220210120159. The next prime is 1220210120267. The reversal of 1220210120222 is 2220210120221.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1220210120222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263447 + ... + 1584242.

It is an arithmetic number, because the mean of its divisors is an integer number (228790214250).

Almost surely, 21220210120222 is an apocalyptic number.

1220210120222 is a deficient number, since it is larger than the sum of its proper divisors (610111593778).

1220210120222 is a wasteful number, since it uses less digits than its factorization.

1220210120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177890.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1220210120222 its reverse (2220210120221), we get a palindrome (3440420240443).

Subtracting 1220210120222 from its reverse (2220210120221), we obtain a palindrome (999999999999).

The spelling of 1220210120222 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred twenty thousand, two hundred twenty-two".

Divisors: 1 2 330199 660398 1847689 3695378 610105060111 1220210120222