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122021201012 = 22160709189817
BaseRepresentation
bin111000110100100000…
…1111100010001110100
3102122221212102021001012
41301221001330101310
53444344411413022
6132020013451352
711546541044504
oct1615101742164
9378855367035
10122021201012
1147826872387
121b7947a0b58
13b677b756b9
145c9795da04
153292654de2
hex1c6907c474

122021201012 has 12 divisors (see below), whose sum is σ = 213539555460. Its totient is φ = 61009899456.

The previous prime is 122021200999. The next prime is 122021201021. The reversal of 122021201012 is 210102120221.

It can be written as a sum of positive squares in 2 ways, for example, as 75072712036 + 46948488976 = 273994^2 + 216676^2 .

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 3 ways as a sum of consecutive naturals, for example, 547928 + ... + 737744.

It is an arithmetic number, because the mean of its divisors is an integer number (17794962955).

Almost surely, 2122021201012 is an apocalyptic number.

It is an amenable number.

122021201012 is a deficient number, since it is larger than the sum of its proper divisors (91518354448).

122021201012 is a wasteful number, since it uses less digits than its factorization.

122021201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350530 (or 350528 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122021201012 its reverse (210102120221), we get a palindrome (332123321233).

The spelling of 122021201012 in words is "one hundred twenty-two billion, twenty-one million, two hundred one thousand, twelve".

Divisors: 1 2 4 160709 189817 321418 379634 642836 759268 30505300253 61010600506 122021201012