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1201222011332 = 22742900786119
BaseRepresentation
bin10001011110101110011…
…010010100100111000100
311020211120020010201101102
4101132232122110213010
5124140100313330312
62315500032315232
7152533254425210
oct21365632244704
94224506121342
101201222011332
11423487567312
1217497a9a2b18
1389375817c35
14421d4947940
15213a7122ec2
hex117ae6949c4

1201222011332 has 12 divisors (see below), whose sum is σ = 2402444022720. Its totient is φ = 514809433416.

The previous prime is 1201222011331. The next prime is 1201222011349. The reversal of 1201222011332 is 2331102221021.

1201222011332 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1201222011331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21450393032 + ... + 21450393087.

It is an arithmetic number, because the mean of its divisors is an integer number (200203668560).

Almost surely, 21201222011332 is an apocalyptic number.

It is an amenable number.

1201222011332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201222011332 is a wasteful number, since it uses less digits than its factorization.

1201222011332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42900786130 (or 42900786128 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1201222011332 its reverse (2331102221021), we get a palindrome (3532324232353).

The spelling of 1201222011332 in words is "one trillion, two hundred one billion, two hundred twenty-two million, eleven thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 42900786119 85801572238 171603144476 300305502833 600611005666 1201222011332