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1201200000122 = 21938778153347
BaseRepresentation
bin10001011110101101000…
…110010110110001111010
311020211111200201102200102
4101132231012112301322
5124140024200000442
62315453524435402
7152532566351453
oct21365506266172
94224450642612
101201200000122
114234760a2a31
12174973548b62
13893710ac255
14421d1a5812a
15213a5226232
hex117ad196c7a

1201200000122 has 16 divisors (see below), whose sum is σ = 1897121012640. Its totient is φ = 568842643728.

The previous prime is 1201200000107. The next prime is 1201200000167. The reversal of 1201200000122 is 2210000021021.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3929348 + ... + 4223999.

It is an arithmetic number, because the mean of its divisors is an integer number (118570063290).

Almost surely, 21201200000122 is an apocalyptic number.

1201200000122 is a deficient number, since it is larger than the sum of its proper divisors (695921012518).

1201200000122 is a wasteful number, since it uses less digits than its factorization.

1201200000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157245.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1201200000122 its reverse (2210000021021), we get a palindrome (3411200021143).

The spelling of 1201200000122 in words is "one trillion, two hundred one billion, two hundred million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 19 38 3877 7754 73663 147326 8153347 16306694 154913593 309827186 31610526319 63221052638 600600000061 1201200000122