Search a number
-
+
1222212110102 = 217159712250793
BaseRepresentation
bin10001110010010001100…
…001001100011100010110
311022211202001201012210222
4101302101201030130112
5130011042300010402
62333250531114342
7154205361344354
oct21622141143426
94284661635728
101222212110102
11431378967185
12178a584429b2
138b33c374119
14432265207d4
1521bd4c667a2
hex11c9184c716

1222212110102 has 16 divisors (see below), whose sum is σ = 1941282815472. Its totient is φ = 575122371840.

The previous prime is 1222212110089. The next prime is 1222212110137. The reversal of 1222212110102 is 2010112122221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

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, 582383 + ... + 1668410.

It is an arithmetic number, because the mean of its divisors is an integer number (121330175967).

Almost surely, 21222212110102 is an apocalyptic number.

1222212110102 is a deficient number, since it is larger than the sum of its proper divisors (719070705370).

1222212110102 is a wasteful number, since it uses less digits than its factorization.

1222212110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266783.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222212110102 its reverse (2010112122221), we get a palindrome (3232324232323).

The spelling of 1222212110102 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, one hundred ten thousand, one hundred two".

Divisors: 1 2 17 34 15971 31942 271507 543014 2250793 4501586 38263481 76526962 35947415003 71894830006 611106055051 1222212110102