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120200022201221 = 1920877237418861
BaseRepresentation
bin11011010101001000111111…
…101000000001001110000101
3120202121000021012211122210022
4123111020333220001032011
5111223324121140414341
61103351043342504525
734214110413635564
oct3325107750011605
9522530235748708
10120200022201221
11353325a7a19526
12115936a0295145
13520ba76220161
1421979d808dbdb
15dd6a29a12e4b
hex6d523fa01385

120200022201221 has 16 divisors (see below), whose sum is σ = 126604758994560. Its totient is φ = 113803142806080.

The previous prime is 120200022201209. The next prime is 120200022201277. The reversal of 120200022201221 is 122102220002021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120200022201221 - 26 = 120200022201157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120200022201221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120200022201521) 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, 286759331 + ... + 287178191.

It is an arithmetic number, because the mean of its divisors is an integer number (7912797437160).

Almost surely, 2120200022201221 is an apocalyptic number.

It is an amenable number.

120200022201221 is a deficient number, since it is larger than the sum of its proper divisors (6404736793339).

120200022201221 is a wasteful number, since it uses less digits than its factorization.

120200022201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428204.

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

Adding to 120200022201221 its reverse (122102220002021), we get a palindrome (242302242203242).

The spelling of 120200022201221 in words is "one hundred twenty trillion, two hundred billion, twenty-two million, two hundred one thousand, two hundred twenty-one".

Divisors: 1 19 2087 7237 39653 137503 418861 7958359 15103619 286968761 874162907 3031297057 16609095233 57594644083 6326316957959 120200022201221