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120202211211202 = 21931759611769737
BaseRepresentation
bin11011010101001011000010…
…000110011011011111000010
3120202121012220202211212222001
4123111023002012123133002
5111223343112032224302
61103352044500534214
734214215564133101
oct3325130206333702
9522535822755861
10120202211211202
113533352062208a
1211593bb13b136a
13520c0348a4433
142197b64aaa038
15dd6b06cad787
hex6d52c219b7c2

120202211211202 has 16 divisors (see below), whose sum is σ = 181238663290392. Its totient is φ = 59789327339520.

The previous prime is 120202211211193. The next prime is 120202211211211. The reversal of 120202211211202 is 202112112202021.

It is an interprime number because it is at equal distance from previous prime (120202211211193) and next prime (120202211211211).

It can be written as a sum of positive squares in 4 ways, for example, as 107550609576921 + 12651601634281 = 10370661^2 + 3556909^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120202211211202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67036078 + ... + 68805814.

Almost surely, 2120202211211202 is an apocalyptic number.

120202211211202 is a deficient number, since it is larger than the sum of its proper divisors (61036452079190).

120202211211202 is a wasteful number, since it uses less digits than its factorization.

120202211211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945893.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120202211211202 its reverse (202112112202021), we get a palindrome (322314323413223).

The spelling of 120202211211202 in words is "one hundred twenty trillion, two hundred two billion, two hundred eleven million, two hundred eleven thousand, two hundred two".

Divisors: 1 2 193 386 175961 351922 1769737 3539474 33960473 67920946 341559241 683118482 311404692257 622809384514 60101105605601 120202211211202