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121222011002 = 261993623041
BaseRepresentation
bin111000011100101100…
…1010001100001111010
3102120220011121012110012
41300321121101201322
53441230313323002
6131404424221522
711520665043461
oct1607131214172
9376804535405
10121222011002
1147456735074
121b5b100a8a2
13b57b4173c1
145c1d7659d8
1532473dcd52
hex1c3965187a

121222011002 has 8 divisors (see below), whose sum is σ = 184813885812. Its totient is φ = 59617382400.

The previous prime is 121222010983. The next prime is 121222011011. The reversal of 121222011002 is 200110222121.

It can be written as a sum of positive squares in 2 ways, for example, as 117264468721 + 3957542281 = 342439^2 + 62909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496811399 + ... + 496811642.

Almost surely, 2121222011002 is an apocalyptic number.

121222011002 is a deficient number, since it is larger than the sum of its proper divisors (63591874810).

121222011002 is an equidigital number, since it uses as much as digits as its factorization.

121222011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993623104.

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

Adding to 121222011002 its reverse (200110222121), we get a palindrome (321332233123).

The spelling of 121222011002 in words is "one hundred twenty-one billion, two hundred twenty-two million, eleven thousand, two".

Divisors: 1 2 61 122 993623041 1987246082 60611005501 121222011002